Muscle protein synthesis rates on GLP-1 — my results so far

pete_nash said:

Follow-up: I dropped the cardio to two easy sessions and put the effort into three real lifting sessions.

Mine went the same way, slower. The detail I would add is minor and it is already implied above.

pete_nash said:

Follow-up: I dropped the cardio to two easy sessions and put the effort into three real lifting sessions.

Adding the part of the answer the thread has not reached. There is also a quality change that the scan cannot see. Weight loss shifts fiber-type distribution toward Type I and improves mitochondrial density and insulin-stimulated glucose uptake per fiber — so the muscle you keep is metabolically better even though there is less of it. That does not make the loss irrelevant, but it explains why function often holds up better than the number suggests.

One concrete data point for the thread. If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way. Most of the apparent contradictions in these threads dissolve at that step.

Worth separating that from lean-mass preservation, which this thread keeps folding into the same question. They behave differently and the advice does not transfer.

A narrower follow-up, since the general answer is now clear:

Whether resistance training and protein change the ratio or only the absolute amount?

dave_SLC said:

If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.

I read this differently from dave_SLC, on substance rather than tone. The counter-case has not been addressed. Somebody upthread described the situation that does not fit, and the thread moved on rather than engaging with it, which is the failure mode this board is supposed to avoid.

Worth separating that from lean-mass preservation, which this thread keeps folding into the same question. They behave differently and the advice does not transfer.