e.mikkelsen

TL2 Member · Frankfurt, DE

Practical questions, practical answers. Not interested in speculation without a source.

Joined 13 June 2025 · last posted 3d

69 posts, newest first. Showing up to 150.

What I would want from a home test that does not exist yet — what changed since Replied, post #109 · Analytics › Home & field testing · 25 Jul 2026 · 0 likes The honest cost comparison is a home kit against a single independent submission. For most people the second answers the question and the first answers a different,…
Reading order for a first week here, and what to skip until later — what changed since Replied, post #78 · Start Here › Welcome · 24 Jul 2026 · 4 likes Introducing yourself is fine and requires no question. Post in this subcategory, describe the context that matters for why you are here, and lurk for a bit before…
Risk-of-bias tools and the judgement they conceal — does this still hold? Replied, post #29 · Evidence › Meta-analyses · 22 Jul 2026 · 27 likes What I want from this Risk-of-bias tools thread is the list of things that would need to be true for the claim to hold. If we can write that list, we can check it.
Revisiting: Protein density versus volume when you cannot eat much Replied, post #84 · Nutrition & Training › Protein & intake · 20 Jul 2026 · 1 like Protein supplements: whey, casein, and plant-based protein powders can help hit targets when whole-food intake is limited by appetite. Protein quality (all essential…
How shortages have affected compounding permissions Replied, post #46 · Access › Shortages · 17 Jul 2026 · 2 likes Narrowing post #43, because the general version has more than one answer. Compounding during shortages: some jurisdictions allow pharmacy compounding when a marketed…
Why the timeline is on the right and not the left — what changed since Replied, post #66 · Meta › Site feedback · 2 Jul 2026 · 23 likes Seconded. It reads as careful rather than confident, which is the right register.
Stepping down deliberately, and how to do it without losing progress — what changed since Replied, post #26 · Practice › Dosing & titration · 29 Jun 2026 · 0 likes If you are stepping up mainly because the schedule says so rather than because the current dose has stopped doing what you wanted, that is worth noticing before rather…
I have no scientific background — can I still follow the analytics categories? Replied, post #22 · Start Here › Welcome · 18 Jun 2026 · 0 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…
GLP-1 receptor distribution: central and peripheral Replied, post #72 · Pharmacology › Receptor biology · 18 Jun 2026 · 23 likes The strongest argument against my own position on GLP-1 receptor distribution, stated as well as I can state it, since nobody else has yet.
Submitting a sample: the process end to end Replied, post #14 · Sourcing › Independent verification · 12 Jun 2026 · 0 likes Building on post #11 rather than restating it. Posting my submitting a sample numbers with the method attached so they can be discounted properly. Uncontrolled,…
Micronutrient adequacy at low total intake Replied, post #39 · Nutrition & Training › Protein & intake · 9 Jun 2026 · 1 like Building on post #38 rather than restating it. Where the micronutrient adequacy reasoning breaks down for me is the step from the group result to the individual case.…
Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #40 · Analytics › Home & field testing · 6 Jun 2026 · 10 likes Speaking only to Lateral-flow and colorimetric approaches as I have actually seen it, rather than as it is usually described: the effect is real, it is smaller than the…
Packaging that arrived damaged: documenting it properly Replied, post #18 · Sourcing › Logistics · 1 Jun 2026 · 26 likes Post #16 describes the usual case. This is about the unusual one. Document outcomes rather than forecasting them. A forecast in this category reads as reassurance and…
Revisiting: Liver enzymes drifting down and what that usually means Replied, post #37 · Clinical › Bloodwork · 27 May 2026 · 5 likes On post #34 — agreed on the reasoning, with one qualification. Repeat before acting is standard practice for an isolated abnormal result on most analytes, and it is…
Lean mass preservation: what the evidence supports — does this still hold? Replied, post #82 · Outcomes › Body composition · 24 May 2026 · 25 likes Post #79 put the caveat in the right place and I want to underline it. My experience of Lean mass preservation contradicts the reply above. I am posting it as a data…
Follow-up: Comparing two chromatograms from different laboratories, properly Replied, post #27 · Analytics › HPLC & UHPLC · 15 May 2026 · 4 likes Worth separating two things that post #23 runs together. Change the wavelength and the proportions change even though the sample has not. That is the reason the…
EU-wide position versus national implementation — what changed since Replied, post #24 · Regional › European Union · 22 Apr 2026 · 23 likes Regional stock held inside the union removes a customs question entirely for intra-union movement, which is a practical difference rather than a legal opinion.
Five questions in one post gets you one answer — how to split them Replied, post #50 · Start Here › How to Ask · 8 Apr 2026 · 0 likes Timeline questions need the timeline. Dates, in order, with what happened on each. "A while ago" and "recently" are the two least useful words in a question of this…
The most useful thing you learned here that was not the answer you came for Replied, post #29 · Lounge › Off topic · 23 Mar 2026 · 30 likes Community norms: if you want to discuss how the community should work (not moderation decisions, which go in Meta) the Lounge is a place for that casual discussion. The…
Why "dose equivalence" between different incretin analogues is a weak concept Replied, post #121 · Practice › Dosing & titration · 21 Feb 2026 · 0 likes Holding at a dose that is working is a legitimate position and it is not what the trial protocols did. The protocols escalated to a target because they were measuring…
Trifluoroacetate content and its consequences Replied, post #93 · Analytics › Impurities & related substances · 6 Feb 2026 · 0 likes Small methodological point on trifluoroacetate content: repeating a measurement is cheap and resolves most of what is being argued about here at no cost to anyone.
Which panel is worth repeating and which is worth ignoring — a second dataset Replied, post #52 · Clinical › Bloodwork · 15 Jan 2026 · 31 likes Lipid changes during substantial weight loss are expected and their trajectory is not always monotonic. A single mid-course panel can be misleading.
Revisiting: Journal club: SURMOUNT-1, read without the press release Replied, post #6 · Evidence › Journal club · 31 Dec 2025 · 25 likes Marking my uncertainty on SURMOUNT-1 explicitly. I am confident about the direction, much less confident about the size, and not confident at all that it generalises…
Distinguishing expected GI effects from something that needs urgent attention Replied, post #5 · Practice › Side effects · 31 Dec 2025 · 26 likes Where I part company with the opening post, and it is a narrow parting. The published rates come from populations that were titrated on a defined schedule with clinical…
Reading an interaction checker output critically Replied, post #65 · Practice › Interactions · 13 Dec 2025 · 18 likes Nobody has said the unglamorous part of reading an interaction checker output yet, so: most of the variation is explained by things that are boring to write about and…
Tirzepatide in type 2 diabetes: the SURPASS programme, summarised honestly — the long… Replied, post #63 · Compounds › Tirzepatide · 9 Dec 2025 · 0 likes SURPASS-2 compared tirzepatide with semaglutide 1.0 mg, the licensed diabetes dose at that time. It did not compare with semaglutide 2.4 mg, the highest approved dose.…
Early satiety becoming a problem rather than a benefit Replied, post #9 · Practice › Side effects · 19 Nov 2025 · 0 likes Worth stating the null on early satiety before we explain it: the observation may be nothing. That possibility deserves a sentence and usually does not get one.
Titles that describe the question, not the situation Replied, post #151 · Start Here › How to Ask · 16 Nov 2025 · 4 likes Post #147 put the caveat in the right place and I want to underline it. What would change my mind on titles is a second dataset collected by someone with no stake in…
Second pass at: How to ask a question when you cannot say why you are asking it Replied, post #32 · Start Here › How to Ask · 14 Nov 2025 · 2 likes Quantities without units are the single commonest reason a question sits unanswered. "Two and a half" is not a dose, a volume or a concentration until you say which.…
New subcategory: rationale and scope Replied, post #34 · Meta › Announcements · 16 Oct 2025 · 0 likes Fine by me. I had wanted a stronger conclusion and there is not one available.
A comparison of home results against a laboratory result on the same vial Replied, post #49 · Analytics › Home & field testing · 14 Oct 2025 · 0 likes The most useful home practice is not a test at all: photograph the vial, the cake, the label and the document on arrival. It costs nothing and it is the evidence you…
What happens after your first post: likes, trust levels, and why none of it matters much… Replied, post #11 · Start Here › Welcome · 12 Oct 2025 · 0 likes Thank you for the correction. I would rather find out here than later.
Cross-border purchase rules within the EU Replied, post #19 · Regional › European Union · 3 Oct 2025 · 6 likes Where I part company with post #16, and it is a narrow parting. Marking my uncertainty on cross-border purchase rules within explicitly. I am confident about the…
Which panel is worth repeating and which is worth ignoring Replied, post #127 · Clinical › Bloodwork · 3 Oct 2025 · 0 likes Confirming post #124 from a second method, which matters more than confirming it from a second person. Where a panel includes a calculated value, that value inherits…
Second pass at: What "verified" means on our vendor pages, stated narrowly Replied, post #19 · Sourcing › Vendor reports · 27 Sep 2025 · 24 likes Building on post #16 rather than restating it. Reports of ordinary results are more valuable than reports of remarkable ones, precisely because only the remarkable ones…
Discussing something you have already been doing Replied, post #9 · Clinical › Prescriber conversations · 26 Sep 2025 · 3 likes Bringing a record of symptoms with dates and severities makes an assessment materially easier and is the single most useful preparation.
Payment method and the leverage it gives you, ranked Replied, post #54 · Sourcing › Payments · 22 Sep 2025 · 1 like That is the distinction I keep failing to hold on to. Written down now.
Pages past their review date, listed Replied, post #26 · Meta › Wiki maintenance · 3 Sep 2025 · 0 likes Outdated external links: if a maintained page links to external sources and those links are broken or pages have moved, reporting that helps keep the page current.
Confounding by indication, explained with a concrete example Replied, post #16 · Evidence › Study critique · 2 Sep 2025 · 1 like Post #15 answers the question as asked. The question underneath it is different. Multiple comparisons: if a paper reports many outcomes, the chance of a spurious…
[2026 update] What we do not know about retatrutide, listed explicitly Replied, post #67 · Compounds › Retatrutide · 28 Aug 2025 · 0 likes Building on post #65 rather than restating it. Retatrutide is investigational. Material obtained outside a clinical trial is research-use-only by definition, is not…
[2026 update] Journal club: is percentage weight change the right endpoint? Replied, post #76 · Evidence › Journal club · 20 Aug 2025 · 0 likes The figures usually contain the finding and the text usually contains the interpretation. Separating them for the first twenty minutes is a discipline worth keeping.
Gauge and length selection for subcutaneous injection Replied, post #18 · Devices › Syringes & needles · 6 Aug 2025 · 31 likes One caution on gauge and length selection: everything above assumes the underlying documentation is what it claims to be. That assumption is doing real work and is…
"Greater than or equal to 99%" as a specification rather than a result Replied, post #16 · Analytics › COA interpretation · 6 Aug 2025 · 4 likes Post #12 and I disagree about the size of the effect, not about the direction. An itemised related-substances table with retention times says considerably more about…
Cross-border purchase within the EU: the actual rules Replied, post #6 · Access › International · 22 Jul 2025 · 16 likes Practical experience of cross-border purchase within, offered as one case with the conditions stated, not as a general finding. Conditions first, because they are what…
Follow-up: Why we hide unevidenced fraud accusations and log the hiding Started this topic · Sourcing › Red flags · 14 Jul 2025 · 54 likes The question in the title: Why we hide unevidenced fraud accusations and log the hiding I will give what I have already checked below so nobody repeats it. Filing a…
Revisiting: Why a compound being unapproved is not the same as being illegal to possess Replied, post #35 · Sourcing › Regulatory · 27 Jun 2025 · 31 likes A compound in a compounding pathway in one country and unavailable in another is a common situation and produces most of the confusion here.
Second pass at: Pen dose counters: what a click does and does not guarantee Replied, post #54 · Devices › Pens & autoinjectors · 31 May 2025 · 7 likes Travel with a pen raises a cold-chain question and a documentation question. The second is the one people forget until an airport.
Why "any advice?" is the least effective ending for a post — the long version Replied, post #2 · marked as the solution · Start Here › How to Ask · 10 May 2025 · 7 likes A photograph of a vial is rarely useful and a photograph of a document usually is. Redact the identifiers before you post either.
Journal club: indirect comparison between two programmes, defended and attacked — one… Replied, post #3 · Evidence › Journal club · 16 Apr 2025 · 26 likes I will take the caveat as seriously as the claim, which is the point of putting it there.
A well-designed study with a badly written abstract Replied, post #26 · Evidence › Study critique · 15 Apr 2025 · 0 likes Good question, well framed, and I would like to see it answered properly.
Reading a trial's population section before its results — does this still hold? Replied, post #5 · Evidence › Trials · 12 Apr 2025 · 0 likes An open-label trial is not worthless and its subjective endpoints deserve more scepticism than its objective ones. That is a graded judgement rather than a verdict.
UK access routes, dated and sourced — a second dataset Replied, post #62 · Regional › UK & Ireland · 10 Apr 2025 · 21 likes Correcting an out-of-date claim in this subcategory with a source and a date is more valuable than a new topic on the same question.
What SELECT changed about how semaglutide is discussed, and what it did not Replied, post #71 · Compounds › Semaglutide · 10 Apr 2025 · 3 likes Research-use-only semaglutide is not a licensed medicine, is not manufactured to pharmaceutical standards, and is not approved for human use. That is a statement about…
Excipient function in a licensed injectable Replied, post #2 · Pharmacology › Formulation chemistry · 8 Apr 2025 · 5 likes Excipient identity should be on the document and rarely is. A vial containing bulking agent and a vial containing only peptide behave differently on reconstitution and…
Checking someone else's arithmetic: a worked example thread Replied, post #31 · Practice › Reconstitution · 20 Mar 2025 · 6 likes Taking post #28 at face value and following it one step further. Preservative effectiveness is tested against a defined microbial challenge under defined conditions. It…
A supplier that answers analytical questions with restated claims Replied, post #37 · Sourcing › Red flags · 10 Mar 2025 · 9 likes The claim about supplier upthread is stronger than its source supports. I have read the source. The source says "associated with" and the post says "causes".
Reading an MS report that only gives you a single number Replied, post #24 · Analytics › Mass spectrometry · 7 Mar 2025 · 1 like The honest summary of what a mass result buys you: it narrows the field of what the material could be, considerably. It never closes it, and no certificate should be…
Second pass at: Regression to the mean in progress reports Replied, post #73 · Research Methods › Statistics · 2 Mar 2025 · 0 likes Adding a null result on Regression. I looked, carefully, and found nothing, and null results deserve posting precisely because they never are.
Pharmaceutical compounding rules, summarised from primary sources Replied, post #19 · Sourcing › Regulatory · 28 Feb 2025 · 0 likes The reason pharmaceutical compounding rules keeps being re-asked is that the answer is conditional and people quote it without the condition. It is not that the answer…
Second pass at: Domestic fridge temperature mapping: a cheap experiment Replied, post #2 · Devices › Cold chain · 7 Feb 2025 · 3 likes Temperature excursions: brief excursions above 8 °C are tolerable for most compounds. Hours to a day at room temperature is usually acceptable. Days to weeks at room…
Protein density versus volume when you cannot eat much Replied, post #52 · Nutrition & Training › Protein & intake · 1 Feb 2025 · 10 likes Leucine and MPS: leucine stimulates muscle protein synthesis at a threshold of roughly 2 to 3 grams per meal. That influences how much protein per meal matters, but…
SNAC and the mechanism of oral peptide absorption — the long version Replied, post #19 · Compounds › Oral incretins · 28 Dec 2024 · 18 likes SNAC is the sodium N-(8-[2-hydroxybenzoyl]amino) caprylate, an absorption enhancer that transiently raises local pH in the stomach and promotes gastric mucosal…
Biased agonism: a real phenomenon, an over-used explanation — what changed since Replied, post #8 · Pharmacology › Receptor biology · 20 Dec 2024 · 12 likes Receptor desensitisation and internalisation are real phenomena in vitro and their clinical relevance to these compounds is not established. That distinction gets lost…
Revisiting: Bug report: the reconstitution calculator and a rounding edge case Replied, post #9 · Data & Tools › Calculators · 3 Dec 2024 · 1 like Significant figures in the output should not exceed what the inputs support. A concentration calculated from a nominal vial mass is not known to four decimal places.…
Injection-site reactions: describing them precisely enough to be useful Replied, post #28 · Practice › Side effects · 27 Nov 2024 · 33 likes Adding the boring version of injection-site reactions, because the interesting version keeps getting posted and the boring one is usually right. Check the ordinary…
Promotion criteria, and the one that stops most nominations Replied, post #99 · Documentation › Doc review · 30 Oct 2024 · 6 likes Whatever the answer on promotion criteria turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, invite the…
Food noise reducing and the disorientation that can follow Replied, post #25 · Wellbeing › Mental health · 20 Oct 2024 · 1 like Adding the measurement that post #22 says would settle it. Relationship with food changing is one of the most commonly described experiences here and is discussed far…
A page that has drifted out of date and needs a maintainer Replied, post #11 · Documentation › Wiki requests · 20 Sep 2024 · 14 likes Correction requests: if you spot an error in a maintained page, note it here with the specific correction. The maintainer will review and update if justified. I would…
Blind submission and why it changes minds Replied, post #37 · Sourcing › Independent verification · 15 Aug 2024 · 1 like Agreed on blind submission, with one qualification that I think matters. The reasoning holds for the case as described. Change the starting assumption and it does not,…