sourced_claims

TL3 Regular · Tallinn, EE

I ask for sources. Politely the first time.

Joined 27 December 2024 · last posted 21h · groups: wiki-editors

140 posts, newest first. Showing up to 150.

Prescription portability between countries — the long version Replied, post #3 · Access › International · 27 Jul 2026 · 0 likes Compounding in different countries: some countries allow pharmacy compounding under defined conditions; others do not. The rules are jurisdiction-specific and change.
Insurance and replacement policies, compared Replied, post #122 · Sourcing › Logistics · 27 Jul 2026 · 23 likes What I can speak to on insurance and replacement policies is narrow, so I will keep it narrow rather than generalising from it. Beyond that boundary I do not know.
Angle of injection and whether 90 degrees is always right — the long version Replied, post #55 · Practice › Administration · 25 Jul 2026 · 17 likes Pinch or no pinch: the decision depends on needle length and on your own anatomy. A longer needle (8 mm and up) reaches subcutaneous tissue easily without a pinch. A…
Follow-up: Prior authorisation: what the criteria usually require Replied, post #92 · Access › Insurance & coverage · 23 Jul 2026 · 10 likes Quietly grateful for the plain phrasing. Not every thread gets that.
Hair shedding at month three: mechanism and time course — the long version Replied, post #51 · Practice › Side effects · 21 Jul 2026 · 10 likes If you are new and reading this thread for the answer to Hair shedding: the answer is conditional, the conditions are in the third reply, and the rest of the thread is…
Distinguishing a red flag from an inconvenience — a second dataset Replied, post #5 · Sourcing › Red flags · 20 Jul 2026 · 2 likes Two sentences on Distinguishing a red flag and then I will stop, because the rest is speculation and the thread is better without mine. What is documented is narrow.…
Journal club: what we got wrong in an earlier session Replied, post #101 · Evidence › Journal club · 20 Jul 2026 · 30 likes Worth separating two things that post #99 runs together. Where the group cannot agree, record the disagreement rather than resolving it by seniority. The recorded…
Reflectance and photometric devices: precision in practice — a second dataset Replied, post #73 · Analytics › Home & field testing · 15 Jul 2026 · 0 likes Post #71 answers the question as asked. The question underneath it is different. Documenting home checks with dates and lots makes them accumulate into something.…
Insomnia at a dose step: reported experiences — the long version Replied, post #46 · Wellbeing › Sleep · 13 Jul 2026 · 0 likes Picking up post #43: that is the part I would want checked first. The thing about Insomnia that took me longest to accept is that a plausible mechanism is not evidence…
Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #20 · Practice › Interactions · 13 Jul 2026 · 5 likes I read post #16 twice before replying, because I had assumed the opposite. A supplement is a drug for interaction purposes, and the fact that it is sold without a…
[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #71 · Analytics › HPLC & UHPLC · 12 Jul 2026 · 0 likes I would keep Area percent versus weight percent and the decision it usually gets used for separate in this thread. They are related and they are not the same question,…
NHS criteria and how they are applied in practice Replied, post #26 · Regional › UK & Ireland · 11 Jul 2026 · 33 likes The documentation on NHS criteria is better than this thread and I say that as someone who has posted in the thread.
Coming back to: Payment method and the leverage it gives you, ranked Replied, post #18 · Sourcing › Payments · 11 Jul 2026 · 3 likes I read post #14 twice before replying, because I had assumed the opposite. Confirming the total before paying rather than after is obvious and is skipped constantly,…
What a regulator's shortage notice actually authorises Replied, post #6 · Sourcing › Regulatory · 10 Jul 2026 · 31 likes Post #2 put the caveat in the right place and I want to underline it. If you can confirm or contradict a position for your own region, please date the answer. An…
Endotoxin and why it is a separate question from purity — what changed since Replied, post #72 · Analytics › Impurities & related substances · 9 Jul 2026 · 29 likes The arithmetic in post #69 is right; the assumption feeding it is the part to check. I would be cautious about generalising from the Endotoxin example above. It is a…
GLP-1 receptor distribution: central and peripheral Replied, post #84 · Pharmacology › Receptor biology · 6 Jul 2026 · 24 likes Cross-reactivity and selectivity: the compounds are not perfectly selective for their target receptors. Semaglutide has some activity on other receptors; tirzepatide…
Asking a follow-up: new topic or new reply? Replied, post #26 · Start Here › How to Ask · 26 Jun 2026 · 30 likes Worth separating two things that post #24 runs together. Agreed on asking a follow-up, with one qualification that I think matters. The reasoning holds for the case as…
Prescription requirements and telehealth models — a second dataset Replied, post #75 · Sourcing › Regulatory · 22 Jun 2026 · 0 likes If you can confirm or contradict a position for your own region, please date the answer. An undated regional claim is the least useful thing in this category.
Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #71 · Compounds › Semaglutide · 20 Jun 2026 · 6 likes That matches what I have seen, for whatever a single anecdote is worth.
0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #74 · Devices › Syringes & needles · 16 Jun 2026 · 0 likes Filing a mild objection to the consensus on 0.3 ml versus 0.5 ml. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit.
Why a glucagon receptor agonist in a weight-loss compound is not a contradiction Replied, post #6 · Compounds › Retatrutide · 16 Jun 2026 · 2 likes The arithmetic in post #3 is right; the assumption feeding it is the part to check. Nausea and vomiting were dose-related in the phase 2 work, as they are throughout…
[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #19 · Sourcing › Independent verification · 15 Jun 2026 · 0 likes Marking my uncertainty on Interpreting a result explicitly. I am confident about the direction, much less confident about the size, and not confident at all that it…
Micronutrient adequacy at low total intake Replied, post #77 · Nutrition & Training › Protein & intake · 13 Jun 2026 · 17 likes Posting my micronutrient adequacy numbers with the method attached so they can be discounted properly. Uncontrolled, unblinded, and collected by someone who wanted a…
Forced degradation studies: designing one that is informative Replied, post #73 · Analytics › Method validation · 9 Jun 2026 · 0 likes What I would want before treating forced degradation studies as settled: the method, the sample, and whether anyone tried to find the opposite result. Two of the three…
A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #97 · Practice › Storage & stability · 8 Jun 2026 · 26 likes Reconstituted is a question about a distribution, not about a value, and treating it as a value is what produces the confident wrong answers.
Micronutrient adequacy at low total intake Replied, post #28 · Nutrition & Training › Protein & intake · 8 Jun 2026 · 1 like The mechanism is not mysterious. Substantial energy restriction with inadequate protein and no resistance stimulus loses lean tissue as well as fat. I would put this at…
A certificate whose chromatogram axes do not match its stated method — one year on Replied, post #63 · Sourcing › Red flags · 5 Jun 2026 · 21 likes The most useful contribution to this subcategory is a resolved case written up with the resolution, because the unresolved ones are all anyone remembers. Small point,…
Peak-to-trough ratio at steady state for a weekly agent Replied, post #29 · Pharmacology › Pharmacokinetics · 1 Jun 2026 · 0 likes Nobody has said the unglamorous part of peak-to-trough ratio yet, so: most of the variation is explained by things that are boring to write about and easy to check.
Peak-to-trough ratio at steady state for a weekly agent — the long version Replied, post #12 · Pharmacology › Pharmacokinetics · 27 May 2026 · 0 likes Where I part company with post #10, and it is a narrow parting. A pharmacokinetic model fitted to trial data describes the population studied. Applying it to somebody…
Reading a trial's population section before its results Replied, post #56 · Evidence › Trials · 26 May 2026 · 0 likes Narrowing post #55, because the general version has more than one answer. Safety findings from a trial powered for efficacy are underpowered by construction. Absence of…
Journal club: indirect comparison between two programmes, defended and attacked Replied, post #66 · Evidence › Journal club · 24 May 2026 · 19 likes Post #65 is right about the mechanism and I think understates the practical bit. Critical appraisal template: (1) What did the trial set out to estimate? (2) Could the…
Journal club: orforglipron phase 2 and the non-peptide question Replied, post #56 · Evidence › Journal club · 6 May 2026 · 0 likes On post #52 — agreed on the reasoning, with one qualification. I would be cautious about generalising from the orforglipron phase 2 example above. It is a good example.…
Coming back to: Time to steady state after a dose increase Replied, post #45 · Pharmacology › Pharmacokinetics · 3 May 2026 · 19 likes Volume of distribution: the theoretical volume the drug distributes into. For albumin-binding compounds, volume is reduced compared to drugs that do not bind protein.…
[2026 update] Currency conversion and the cost you did not see Replied, post #17 · Sourcing › Payments · 2 May 2026 · 4 likes Post #13 put the caveat in the right place and I want to underline it. Filing a mild objection to the consensus on Currency conversion. Mild because I might be wrong;…
Subgroup analyses: pre-specified versus discovered — a second dataset Replied, post #66 · Evidence › Trials · 30 Apr 2026 · 16 likes Noted, and I have changed what I was going to do on the strength of it.
Forced degradation studies: designing one that is informative Replied, post #46 · Analytics › Method validation · 29 Apr 2026 · 6 likes The strongest argument against my own position on forced degradation studies, stated as well as I can state it, since nobody else has yet.
A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #27 · Practice › Reconstitution · 27 Apr 2026 · 33 likes No notes. Posting so the count is not one.
Converting between mg/mL and units per dose, both directions — the long version Replied, post #115 · Practice › Reconstitution · 25 Apr 2026 · 0 likes Do not shake. Swirl, or leave it. Vigorous agitation introduces air and shear, and neither helps a peptide go into solution any faster than patience does. This is the…
List price versus negotiated price versus what you pay Replied, post #88 · Access › Pricing · 15 Apr 2026 · 0 likes Coming back to post #84, because the follow-up matters more than the original answer. The cost of an independent submission is worth stating in these threads, because…
List price versus negotiated price versus what you pay Replied, post #63 · Access › Pricing · 13 Apr 2026 · 19 likes Narrowing post #60, because the general version has more than one answer. Price differences within a market are usually about scale, documentation and logistics rather…
A promotion I argued against, and why I lost — a second dataset Replied, post #3 · Documentation › Doc review · 8 Apr 2026 · 1 like Where I part company with the opening post, and it is a narrow parting. A promotion that is declined should leave the topic linked from wherever the question recurs, so…
Bug report: the reconstitution calculator and a rounding edge case Replied, post #12 · Data & Tools › Calculators · 2 Apr 2026 · 0 likes Coming back to post #10, because the follow-up matters more than the original answer. Tools that run entirely in the browser send nothing anywhere, which matters more…
Second pass at: Sleep apnoea improving and the equipment implications Replied, post #7 · Wellbeing › Sleep · 1 Apr 2026 · 22 likes Sleep hygiene: basics (cool dark room, consistent sleep time, no screens before bed) matter more during energy deficit because stress and sleep need are higher. If that…
What changed in 2026, by region — does this still hold? Started this topic · Access › International · 30 Mar 2026 · 3 likes What changed in 2026, by region — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Documenting an access…
Second pass at: Adsorptive losses at low concentration, and why dilute solutions are… Replied, post #63 · Practice › Storage & stability · 14 Mar 2026 · 32 likes An observation about Adsorptive losses that I cannot explain and am posting anyway, on the principle that unexplained observations are more useful public than private.
Second pass at: Which categories are strict and which are relaxed, honestly Replied, post #22 · Start Here › Welcome · 7 Mar 2026 · 13 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
Price changes over 2025 and 2026, tabulated and dated — does this still hold? Replied, post #109 · Access › Pricing · 7 Mar 2026 · 0 likes Larger orders shift risk as well as price, because more of your material then comes from one lot.
Adolescents: a distinct evidence base — one year on Replied, post #71 · Clinical › Special populations · 4 Mar 2026 · 4 likes Post #67 put the caveat in the right place and I want to underline it. The absence of a reported signal in a population that was barely enrolled is not evidence about…
Second pass at: Robustness: the parameters worth deliberately varying Replied, post #53 · Analytics › Method validation · 4 Mar 2026 · 0 likes I would keep Robustness and the decision it usually gets used for separate in this thread. They are related and they are not the same question, and merging them is why…
Follow-up: "Should I double up?" — answered once, at length, calmly Replied, post #3 · Practice › Administration · 2 Mar 2026 · 0 likes The opening post answers the question as asked. The question underneath it is different. If you have to inject at a different time of day than usual, that is a much…
Nausea profile of amylin analogues compared with GLP-1 agonists Replied, post #31 · Compounds › Cagrilintide & amylin analogues · 27 Feb 2026 · 23 likes On storage: aggregation-prone peptides are the ones where repeated warming and cooling does the most damage, and where a solution that looks fine may already have…
Common supplements people ask about, assessed one at a time — a second dataset Replied, post #59 · Practice › Interactions · 27 Feb 2026 · 0 likes Nothing here is medical advice and an interaction question is one where the cost of a wrong forum answer is genuinely high. Ask the prescriber or the pharmacist.
Storing lyophilised material long term: what governs the shelf life Replied, post #74 · Practice › Storage & stability · 21 Feb 2026 · 1 like Worth stating the null on storing lyophilised material long term before we explain it: the observation may be nothing. That possibility deserves a sentence and usually…
Adducts: sodium, potassium, and the peak you did not expect — does this still hold? Replied, post #31 · Analytics › Mass spectrometry · 8 Feb 2026 · 18 likes Where I part company with post #29, and it is a narrow parting. Positional isomers and epimers are mass-identical. Any argument that a mass result rules them out is…
Request: export my own posts Started this topic · Meta › Feature requests · 7 Jan 2026 · 10 likes Posting this under the heading it deserves: Request: export my own posts Everything below is what sits behind that. I have spent a fortnight trying to pin export down…
Second pass at: What "verified" means on our vendor pages, stated narrowly Replied, post #53 · Sourcing › Vendor reports · 3 Jan 2026 · 2 likes Photograph the vial and the label before opening. It costs ten seconds and it is what turns a report into something checkable. Same conclusion as the reply above,…
The headache that turns out to be dehydration Replied, post #121 · Nutrition & Training › Hydration & electrolytes · 2 Jan 2026 · 0 likes Where there is a genuine question, a measurement answers it and a supplement does not. Blood tests for the common electrolytes are routine and cheap. Where I would look…
Citation sweep results: how many references did not say what was claimed Replied, post #25 · Meta › Wiki maintenance · 2 Jan 2026 · 0 likes I think the citation sweep results question is answerable and has not been answered, which is a more optimistic position than most of this thread.
Tirzepatide molecular mass and the charge states you would expect on ESI — does this… Replied, post #10 · Compounds › Tirzepatide · 29 Dec 2025 · 0 likes Post #9 and I disagree about the size of the effect, not about the direction. Comparisons between the tirzepatide and semaglutide programmes across trials rather than…
Dead volume across syringe and needle combinations Replied, post #44 · Devices › Syringes & needles · 26 Dec 2025 · 16 likes Speaking only to dead volume across syringe as I have actually seen it, rather than as it is usually described: the effect is real, it is smaller than the thread…
DXA precision and the least significant change for lean mass Replied, post #84 · Outcomes › Body composition · 19 Dec 2025 · 1 like Post #82 put the caveat in the right place and I want to underline it. Visceral fat: DXA does not distinguish visceral (organ-associated) fat from subcutaneous fat.…
Which panel is worth repeating and which is worth ignoring — a second dataset Replied, post #29 · Clinical › Bloodwork · 14 Dec 2025 · 0 likes Nothing in this subcategory is medical advice, and a panel with an unexpected result is precisely the situation where that matters. A single observation, in a thread…
Why an oral GLP-1 agonist is a formulation achievement more than a chemistry one Replied, post #88 · Compounds › Oral incretins · 12 Dec 2025 · 8 likes Excipients are not inert from an analytical point of view. A certificate for a formulated tablet has to account for them, and one that reports a purity figure without…
A genuinely late dose: what the labelling says and what people do — what changed since Replied, post #8 · marked as the solution · Practice › Administration · 11 Dec 2025 · 10 likes A request rather than an answer: could whoever has the primary source for genuinely late dose post it? I have seen the claim three times this month and each version had…
Reading SURMOUNT-1 without the press release Replied, post #96 · Compounds › Tirzepatide · 10 Dec 2025 · 4 likes Picking up post #94: that is the part I would want checked first. Storage and stability: published data on licensed tirzepatide formulations exists and is worth reading…
Request: export my own posts — one year on Replied, post #20 · Meta › Feature requests · 8 Dec 2025 · 9 likes Community support: if other people support your request, they can reply with "+1" or "I would use that too". Widely-requested features are prioritised. Adding it in…
Citation sweep results: how many references did not say what was claimed Replied, post #14 · Meta › Wiki maintenance · 6 Dec 2025 · 0 likes Post #12 is right about the mechanism and I think understates the practical bit. Careful with that. A short duplicated paragraph is sometimes better than a link,…
Tracking that stops updating and then resumes Replied, post #53 · Sourcing › Logistics · 5 Dec 2025 · 19 likes Where I part company with post #51, and it is a narrow parting. Anyone deciding whether a delay is a problem should ask what would change if they waited another week.…
Request: a diff view for wiki revisions — the long version Replied, post #76 · Meta › Feature requests · 28 Nov 2025 · 3 likes What I can speak to on diff view for wiki revisions is narrow, so I will keep it narrow rather than generalising from it. Beyond that boundary I do not know.
Pharmaceutical compounding rules, summarised from primary sources — a second dataset Replied, post #50 · Sourcing › Regulatory · 26 Nov 2025 · 12 likes Pharmaceutical compounding rules is one of those subjects where the general answer and the answer for a specific case diverge, and the thread will go in circles until…
Sequence verification for an obscure compound: how it is done — what changed since Replied, post #77 · Compounds › Other compounds · 25 Nov 2025 · 14 likes Trying to state the Sequence verification position in a way that someone who disagrees would recognise as fair, because I do not think the version in this thread passes…
Anxiety in the first weeks: drug, situation, or both — what changed since Replied, post #54 · Wellbeing › Mental health · 24 Nov 2025 · 24 likes Where I part company with post #52, and it is a narrow parting. Maintenance brings a different set of psychological questions from loss, and the discussion here is much…
Revisiting: Why tirzepatide titration schedules have more steps than semaglutide's Replied, post #66 · Compounds › Tirzepatide · 14 Nov 2025 · 0 likes Picking up post #65: that is the part I would want checked first. Small correction to my own earlier position on tirzepatide titration schedules. I had the units the…
Availability by country, dated, with primary sources Replied, post #54 · Access › International · 10 Nov 2025 · 33 likes Customs practice varies between entry points within the same country, which is why two people in the same jurisdiction report different experiences honestly. One of…
The headache that turns out to be dehydration Replied, post #34 · Nutrition & Training › Hydration & electrolytes · 25 Oct 2025 · 5 likes The strongest argument against my own position on headache, stated as well as I can state it, since nobody else has yet.
Dizziness on standing and the electrolyte explanation — does this still hold? Replied, post #10 · Practice › Side effects · 24 Oct 2025 · 0 likes Picking up post #7: that is the part I would want checked first. The most useful thing anyone has posted about Dizziness on standing in this category was a table of…
Pinch or no pinch, and how needle length changes the answer Replied, post #124 · Practice › Administration · 22 Oct 2025 · 0 likes Adding a data point of agreement rather than a data point.
Payment mechanics and the recovery options that do not exist Replied, post #73 · Sourcing › Payments · 22 Oct 2025 · 7 likes The arithmetic in post #72 is right; the assumption feeding it is the part to check. Payment mechanics was covered in the wiki last year and the page has a review date…
Substitution between formats during a shortage Replied, post #75 · Access › Shortages · 14 Oct 2025 · 26 likes Shortage predictions: regulators and suppliers issue shortage alerts before they become acute. Checking the regulatory website for shortages gives you advance notice. I…
Why "any advice?" is the least effective ending for a post — the long version Replied, post #68 · Start Here › How to Ask · 12 Oct 2025 · 6 likes Answering the question post #66 raises rather than the one it answers. If your question has a deadline — a parcel in transit, a delivery you have to accept or refuse —…
Second pass at: Programming during a large energy deficit Replied, post #36 · Nutrition & Training › Resistance training · 11 Oct 2025 · 0 likes Maintenance is the goal: preserving lean mass and strength during weight loss is the goal of resistance training in this context, not building new muscle. That goal is…
Citing a preprint in a maintained document: our rule and its reasoning — does this still… Replied, post #41 · Evidence › Preprints · 29 Sep 2025 · 0 likes Where numbers change between preprint and published version, the changes are not random. They tend toward a smaller effect and a more carefully hedged claim.
Titles that describe the question, not the situation — what changed since Replied, post #32 · Start Here › How to Ask · 21 Sep 2025 · 32 likes If the answer you got does not fit your case, say which part does not fit rather than restating the question. Otherwise the next reply is the same as the last one.
Comparing my trajectory with the trial curves, carefully Replied, post #46 · Outcomes › Progress reports · 8 Sep 2025 · 0 likes Answering the question post #42 raises rather than the one it answers. A single scale used throughout beats a more accurate scale introduced halfway through.…
[2026 update] What we do not know about retatrutide, listed explicitly Replied, post #76 · Compounds › Retatrutide · 3 Sep 2025 · 1 like Sensible. I would want the same detail before I acted on it either.
A preprint whose numbers changed substantially at publication Replied, post #38 · Evidence › Preprints · 2 Sep 2025 · 16 likes Say it is a preprint in the first line rather than the last. Everything downstream depends on that status and readers arriving from search will not scroll for it.
Persistent vomiting and the threshold for seeking help Replied, post #23 · Safety › Adverse events · 24 Aug 2025 · 6 likes Reframing persistent vomiting slightly, because I think the disagreement is about the question rather than the answer. If the question is "does it happen", yes. If it…
Reading a supplier's product description as a marketing document Replied, post #59 · Compounds › Other compounds · 19 Aug 2025 · 6 likes Sequence verification: for an obscure compound, a report of the amino acid sequence or a mass-spectrometry result confirming the mass is the only verification that…
Freeze-thaw and why one cycle is not the same as five — a second dataset Replied, post #30 · Practice › Storage & stability · 18 Aug 2025 · 15 likes Building on post #27 rather than restating it. Visible particulate is a strong signal in the other direction: it is a reason to stop and ask rather than to filter and…
Comparing my trajectory with the trial curves, carefully Replied, post #33 · Outcomes › Progress reports · 7 Aug 2025 · 5 likes I read post #31 twice before replying, because I had assumed the opposite. A single scale used throughout beats a more accurate scale introduced halfway through.…
Particulates in a reconstituted solution: identifying the likely source Started this topic · Analytics › Impurities & related substances · 5 Aug 2025 · 20 likes Posting this under the heading it deserves: Particulates in a reconstituted solution: identifying the likely source Everything below is what sits behind that. Something…
A ten-fold dose error caught before injection — one year on Replied, post #141 · Devices › Syringes & needles · 5 Aug 2025 · 10 likes A detachable luer needle plus hub can retain enough volume to matter. Whether it matters to you depends on your dose, and the arithmetic is worth doing once. The short…
Coming back to: Resolution and tailing factor: real acceptance criteria Replied, post #25 · Analytics › HPLC & UHPLC · 3 Aug 2025 · 28 likes Method validation is the demonstration that a method can separate the compound from its degradation products and impurities reliably. A method that cannot resolve an…
How to research a compound with no human data without deceiving yourself Replied, post #56 · Compounds › Other compounds · 2 Aug 2025 · 30 likes Naming conventions for research peptides cause confusion because suppliers do not follow a standard. The same compound gets different names from different suppliers. If…
A ten-fold dose error caught before injection — one year on Replied, post #34 · Devices › Syringes & needles · 2 Aug 2025 · 5 likes Sharps containers are a legal requirement for disposal in several jurisdictions and a sensible precaution everywhere. A rigid sealed container is the minimum.
A ten-fold dose error caught before injection — one year on Replied, post #23 · Devices › Syringes & needles · 1 Aug 2025 · 15 likes Reusing a needle blunts it and there is no benefit to offset that. The second injection with the same needle is the one people describe as painful. Written in the hope…
When a preprint is the best available evidence and we say so Replied, post #8 · marked as the solution · Evidence › Preprints · 29 Jul 2025 · 7 likes Do not build anything on a preprint that you would mind rebuilding: if the preprint later changes substantially in revision or shows different results when published,…
Journal club: PIONEER 6 as a safety trial Started this topic · Evidence › Journal club · 28 Jul 2025 · 5 likes Posting this under the heading it deserves: Journal club: PIONEER 6 as a safety trial Everything below is what sits behind that. Reading PIONEER 6 ( N Engl J Med ,…
Second pass at: A history of disordered eating: proceeding carefully Replied, post #96 · Wellbeing › Mental health · 24 Jul 2025 · 15 likes On history of disordered eating, the part that usually goes wrong is that the question is asked as though it has one answer. It has a range, and the width of the range…
Gauge and length selection for subcutaneous injection Replied, post #10 · Devices › Syringes & needles · 7 Jul 2025 · 3 likes On gauge and length selection, I would rather understate and be corrected upward than overstate and be quoted. That is a house style here and it is a good one.
Whether an aggregate is worth publishing at all: a disputed topic Replied, post #12 · Data & Tools › Datasets · 23 Jun 2025 · 13 likes A structured format with one observation per row is worth the initial effort. Wide formats are easier to enter and much harder to analyse. The number is defensible. The…
Second pass at: Reading a combination trial: attributing effect to components Replied, post #30 · Compounds › Cagrilintide & amylin analogues · 20 Jun 2025 · 5 likes This follows post #27 rather than contradicting it. Reconstitution at higher concentrations is worth avoiding for aggregation-prone material. The published formulation…
Second pass at: Retatrutide mass and identity: what a report should show Replied, post #63 · Compounds › Retatrutide · 8 Jun 2025 · 0 likes This settles it for me, at least until somebody posts a reason it should not.
Pre-registering a personal experiment, seriously Replied, post #111 · Research Methods › N-of-1 designs · 4 Jun 2025 · 2 likes Offering a way to settle pre-registering a personal experiment rather than another opinion about it. Two measurements, taken the same way, a fortnight apart. If the…
Second pass at: Pen dose counters: what a click does and does not guarantee Replied, post #49 · Devices › Pens & autoinjectors · 25 May 2025 · 6 likes The residual left in a cartridge at the end is deliberate overfill and is not a dose you are entitled to extract. Attempting to recover it is where accuracy goes. If…
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #114 · Sourcing › Independent verification · 18 May 2025 · 24 likes Where an independent figure and a declared figure differ by less than method repeatability, that is agreement rather than a small discrepancy. I looked this up rather…
Second pass at: Designing a personal experiment that could change your mind Replied, post #9 · Research Methods › N-of-1 designs · 17 May 2025 · 14 likes A rolling mean over several days is far more informative than any single reading for anything that varies day to day, which is nearly everything. Adding it because I…
Coming back to: What happens when a maintainer goes quiet Started this topic · Documentation › Doc review · 8 May 2025 · 8 likes Asking directly, because I could not find a straight answer: What happens when a maintainer goes quiet Nomination for promotion into the documentation commons, with the…
Adjudicated events and why the definition matters — the long version Replied, post #121 · Evidence › Trials · 27 Apr 2025 · 10 likes Post #119 is right about the mechanism and I think understates the practical bit. The question underneath Adjudicated events is usually "how would I tell?" rather than…
Asking about a compound your prescriber has not heard of Replied, post #23 · Clinical › Prescriber conversations · 23 Apr 2025 · 9 likes Asking what would change the plan is more productive than asking whether the plan is right. It gets you the decision criteria rather than a verdict. Not disagreeing…
Reading a trial's population section before its results — does this still hold? Replied, post #22 · Evidence › Trials · 19 Apr 2025 · 0 likes The estimand: what the trial set out to estimate. Two trials can be identical in structure but estimate different things by using different handling rules for people…
Review: a draft on reconstitution arithmetic, with objections Replied, post #107 · Documentation › Doc review · 15 Apr 2025 · 17 likes Acknowledging rather than arguing. The reasoning holds as far as I can follow it.
Follow-up: The lowest dose that does anything: is that a real question? Started this topic · Practice › Dosing & titration · 18 Mar 2025 · 35 likes The question in the title: The lowest dose that does anything: is that a real question? I will give what I have already checked below so nobody repeats it. I have read…
Charge states for a 4 kDa peptide, worked through Replied, post #99 · Analytics › Mass spectrometry · 14 Mar 2025 · 17 likes The bit of charge states that nobody enjoys is that the answer changes depending on what you are trying to decide with it. Say what the decision is and the thread will…
Validating a method you did not develop — does this still hold? Replied, post #97 · Analytics › Method validation · 10 Mar 2025 · 15 likes Validation is compound-specific and matrix-specific. A method validated for one peptide is a starting point for another and not a validated method for it. The general…
Patterns that reliably precede a problem, documented Replied, post #7 · Sourcing › Red flags · 3 Mar 2025 · 28 likes Post #3 put the caveat in the right place and I want to underline it. Checked the patterns claim against the primary source this morning. It survives, with a narrower…
A page that has drifted out of date and needs a maintainer Replied, post #70 · Documentation › Wiki requests · 1 Mar 2025 · 4 likes Review cadence should be part of the proposal. A page about a fast-moving area needs a shorter cycle and somebody willing to honour it.
Second pass at: Regression to the mean in progress reports Replied, post #70 · Research Methods › Statistics · 27 Feb 2025 · 7 likes Adding a note of thanks rather than an opinion. I did not know most of that.
Second pass at: Manufacturer assistance programmes and their eligibility rules Replied, post #8 · Access › Pricing · 22 Feb 2025 · 0 likes Narrowing post #7, because the general version has more than one answer. The most useful pricing posts here are the ones that show the arithmetic rather than the…
A 10 mg vial reconstituted three different ways, compared — the long version Replied, post #11 · Practice › Reconstitution · 13 Feb 2025 · 11 likes Confirming post #8 from a second method, which matters more than confirming it from a second person. Concentration is total mass divided by total volume, and everything…
Oral semaglutide bioavailability and its variability between people — a second dataset Replied, post #9 · Compounds › Oral incretins · 25 Dec 2024 · 0 likes Trial adherence in an oral trial with strict administration requirements is genuinely worse than trial-published data often suggests. That is why the exposure…
Building a sensible monitoring schedule with your prescriber Replied, post #79 · Clinical › Bloodwork · 22 Dec 2024 · 0 likes The version of building a sensible monitoring schedule that circulates here is a simplification of a simplification. It is not wrong, but it has lost the conditions…
Follow-up: Oral contraceptives and delayed emptying: what the data shows Replied, post #27 · Practice › Interactions · 26 Nov 2024 · 3 likes Alcohol is not contraindicated in the labelling and it does irritate a stomach that is already emptying slowly. There is no published interaction study, and the…
UK access routes, dated and sourced — a second dataset Replied, post #9 · Regional › UK & Ireland · 22 Nov 2024 · 0 likes Confirming post #8 from a second method, which matters more than confirming it from a second person. Cross-border arrangements: some people source from other EU…
Asking about a compound your prescriber has not heard of — one year on Replied, post #6 · Clinical › Prescriber conversations · 20 Nov 2024 · 5 likes Quietly grateful for the plain phrasing. Not every thread gets that.
SURPASS-2 and the comparator dose question that will not go away Replied, post #56 · Compounds › Tirzepatide · 15 Nov 2024 · 3 likes On identity: the monoisotopic mass is close to 4813.5 Da and the electrospray series usually shows the 3+ and 4+ states most strongly at ordinary concentrations. A…
Food noise reducing and the disorientation that can follow Replied, post #31 · Wellbeing › Mental health · 30 Oct 2024 · 1 like Food noise is worth one more sentence than it usually gets, and the sentence is the one about how the number was arrived at.
Hypertension improvement and when medication needs revisiting — a second dataset Replied, post #74 · Clinical › Comorbidities · 21 Oct 2024 · 0 likes Picking up post #71: that is the part I would want checked first. Gastrointestinal conditions interact with a mechanism that slows gastric emptying in ways that are…
Revisiting: How to bring a laboratory report to an appointment usefully Replied, post #119 · Clinical › Bloodwork · 18 Oct 2024 · 26 likes Repeat before acting is standard practice for an isolated abnormal result on most analytes, and it is standard for a reason. I have said this before in a thread nobody…
Second pass at: Buffers, pH and why a formulation is a formulation Started this topic · Pharmacology › Formulation chemistry · 16 Oct 2024 · 45 likes Second pass at: Buffers, pH and why a formulation is a formulation Writing it up because I had to work it out twice and would rather nobody else did. Posting a small…
Reading a supplementary appendix and finding the interesting part Replied, post #7 · Evidence › Trials · 16 Oct 2024 · 2 likes Following, with nothing to contribute beyond having asked the same thing elsewhere.
Hypertension improvement and when medication needs revisiting — a second dataset Replied, post #38 · Clinical › Comorbidities · 15 Oct 2024 · 8 likes Narrowing post #36, because the general version has more than one answer. Eating-disorder history is raised here regularly and is the case where the guidance most…
Request: a diff view for wiki revisions Replied, post #17 · Meta › Feature requests · 15 Oct 2024 · 0 likes Request with a caveat attached: a compare view for two vendor pages side by side. The caveat is that it would encourage exactly the ranking-by-number reading the pages…
Second pass at: Hoarding and why it makes a shortage worse Replied, post #35 · Access › Shortages · 10 Oct 2024 · 24 likes Taking post #34 at face value and following it one step further. Shortage status determines what compounding is permitted in some jurisdictions, which links two…
Reporting a discrepancy without making an allegation Replied, post #60 · Sourcing › Vendor reports · 6 Sep 2024 · 0 likes Fine by me. I had wanted a stronger conclusion and there is not one available.
Correlation in a self-tracked dataset: what it can support Replied, post #113 · Research Methods › Statistics · 24 Aug 2024 · 0 likes Bayesian and frequentist analyses answer different questions and both are legitimate. What matters is that the reader knows which is on offer. It is the sort of thing…
Pen wastage and its effect on real cost Replied, post #17 · Access › Pricing · 19 Aug 2024 · 21 likes Small methodological point on pen wastage: repeating a measurement is cheap and resolves most of what is being argued about here at no cost to anyone.
Second pass at: Sodium, potassium and magnesium when intake drops Replied, post #25 · Nutrition & Training › Hydration & electrolytes · 4 Aug 2024 · 28 likes Magnesium supplementation is widely recommended in this space with very little supporting evidence for the indications it is recommended for. The part I am sure of is…
Second pass at: Journal club: LEADER as the historical anchor Replied, post #63 · Evidence › Journal club · 25 Jul 2024 · 7 likes An hour is enough for one paper read properly and not enough for two read partly. The temptation is always to add the second.
Splitting a weekly dose in two: the pharmacokinetic argument against — the long version Replied, post #145 · Practice › Dosing & titration · 10 Jul 2024 · 12 likes Where I part company with post #141, and it is a narrow parting. Small correction to my own earlier position on Splitting a weekly dose. I had the units the wrong way…