Revisiting: Protein density versus volume when you cannot eat much

Revisiting: Protein density versus volume when you cannot eat much Writing it up because I had to work it out twice and would rather nobody else did.

I have spent a fortnight trying to pin Protein density versus volume down and I want to set out where I have got to, because I suspect the honest answer is duller than the thread this will produce.

What I have: a consistent observation across a small number of cases, collected the same way each time. What I do not have: any controlled comparison, or any reason to think my cases are representative.

The specific question is whether the pattern survives once the obvious confounder is removed. I cannot remove it with what I have.

Protein targets during weight loss: the standard recommendation is 1.6 to 2.2 grams per kilogram of body weight. Individual requirements vary but that range is a reasonable starting point.

The opening post describes the usual case. This is about the unusual one.

On Protein density versus volume: the maintained page in the documentation commons covers the general case with citations and a review date, which is more reliable than any reply here including this one.

Adding the measurement that the opening post says would settle it.

Temperature and texture change what is tolerable for a lot of people during the first weeks, and that is worth experimenting with before concluding nothing works.

The short version is the first sentence; the rest is why.

Where I part company with the opening post, and it is a narrow parting.

Published guidance on protein during weight loss is reasonably consistent and is easy to find, which makes this one of the better-evidenced practical questions here.

This is the sort of thing the wiki should carry and currently does not.

Micronutrition alongside protein: eating protein foods that are also good sources of micronutrients (iron, B vitamins, zinc) solves two problems at once.

This is the sort of thing that ought to be settled and apparently is not.

No disagreement from me. Posting only so the question does not look ignored.

The arithmetic in post #5 is right; the assumption feeding it is the part to check.

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 amino acids) matters more than form.

Reading it back, the second half matters more than the first.

I read post #5 twice before replying, because I had assumed the opposite.

Protein density versus volume is well covered in the tag pages, and the older discussions are better than the recent ones because they were argued out properly. Worth twenty minutes before adding to this one.

Post #9 answers the question as asked. The question underneath it is different.

Reading back through the Protein density versus volume threads from last year, the same three questions come up every time and only one of them has ever been answered properly. That seems like a documentation gap rather than a knowledge gap.

Taking post #10 at face value and following it one step further.

Fibre and fluid tend to fall alongside protein when intake drops, and the constipation reported here follows from that as much as from the mechanism.

Nothing above should be read as advice about what anyone else should do.

Post #8 and I disagree about the size of the effect, not about the direction.

Liquid sources are tolerated better than solid ones by many people here, and that is a practical observation rather than a nutritional principle.

Density matters more than quantity when total intake is limited. The same protein in a smaller volume is the whole game.

I would rather say I do not know than round it up to an answer.

Timing of protein: spreading protein intake across the day, with some at each meal, is more practical than trying to hit the whole target at one sitting on suppressed appetite.

That is all I can say without guessing.