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c/glp1muscle·posted 4 months ago by u/protein_first_p

genuine question about sarcopenia that I am slightly embarrassed to ask

Results Receipts ×3 Cold Box ×1

Right, the protein question again, but with numbers this time.

I have 21 data points over 36 weeks. The pattern is consistent enough that I do not think it is chance, and boring enough that nobody is going to screenshot it, which is usually a good sign.

The thing I would flag for anyone new: the effect I am describing showed up at week 14, not week 63. People give up long before the interesting part.

Interested in whether this matches other people's logs or whether I am an outlier.

1,153 up / 181 down86% upvoted34 commentsid 4yo7d5 Mar 2026

34 comments

26 in this archive, depth 5

best — the order this archive was captured in

u/annika_fonseca-9 points·4 months ago

This is correct. DEXA is the standard.

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u/arne_amankwah1 point·4 months ago

Slight fix: the number was 97.6, not 98.6. Decimal point, but a fairly consequential one.

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u/lift_heavy_thingsMOD76 points·4 months ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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u/freya_onwuka35 points·4 months ago

Strongly agree. Resistance training counts.

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u/sanne_novak28 points·4 months ago

No. This is the kind of confident post that gets copied into a screenshot and repeated for years. Where is the evidence.

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u/protein_first_pOPnutrition20 points·4 months ago

Week 47 for me and the honest summary is: 44kg down, fatigue manageable, and I have thought about food maybe four times today.

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u/mikkel_correia38 points·4 months ago

DEXA twice yearly is the pattern

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u/janek_ferrari116 points·4 months ago

This is an urgent-care question wearing a forum question's clothes.

Disagree on that part. 99.3% and 93.7% on the same vial is normal.

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u/oskar_kaufmann94 points·4 months ago·edited

Slight fix: the number was 96.2, not 96.8. Decimal point, but a fairly consequential one.

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u/liv_dumitru42 points·4 months ago

Crossposting this to c/bpc157 because the people who need it are not reading this community.

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u/protein_first_pOPnutrition0 points·4 months ago

resistance training is sarcopenia not optional

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u/joaquin_wojcik28 points·4 months ago

bathroom BIA scales are not a method

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u/maren_ibarra9 points·4 months ago

You have restated the marketing copy. What is the actual substance here.

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u/throwaway_titration33 points·4 months ago

body-composition claims need a method

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u/kian_verhoeven18 points·4 months ago

DEXA is the real measurement

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u/rina_bergstrom7 points·4 months ago

The practical rule people converge on is 28 days at fridge temperature after first puncture, and that comes from the preservative, not the peptide.

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u/rina_nascimento25 points·4 months ago
yep. 29 weeks in, same.
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u/liv_dumitru7 points·4 months ago·edited

Which country? Half the answers in this thread only apply in the Netherlands.

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u/intent_to_treat5 points·4 months ago

Second this question. I have wondered about FFMI for 21 months and never seen a straight answer.

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u/matias_falk3 points·4 months ago

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

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u/joaquin_wojcik15 points·4 months ago

yep.

Disagree on that part. 96.2% and 96.8% on the same vial is normal.

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u/edit_for_clarity4 points·4 months ago

rapid loss plus no protein equals muscle loss

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About c/glp1muscle

Lean-mass retention during rapid weight loss: protein targets, resistance-training minimums, DEXA and BIA measurement reality, FFMI tracking, and the sarcopenia question that nobody funded a proper trial for.

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