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c/glp1muscle·submitted 12 days ago by u/step_count_stan

[Data] BIA vs DEXA on the same day, 6% apart, pick a method and stay with it

Databranch of 9 comments

Posting this because I searched for it and got nothing useful. Setup: 12.5mg, week 42, sulphur burps present but not ruining anything. I changed exactly one variable — sarcopenia — and tracked it for 22 weeks. Result: a difference, but a small one, and well inside what I would call noise if someone else posted it. So…

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9 comments, started 12 days ago
u/rina_nascimento42 points·12 days ago

Mechanistically the bit that matters is DEXA. It explains most of the early profile and a decent chunk of the outcome.

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u/step_count_stanOP33 points·12 days ago

Mechanistically the bit that matters is DEXA.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/ferran_dahlberg10 points·12 days ago

FFMI tracking requires body composition

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u/step_count_stanOP18 points·12 days ago

Mechanistically the bit that matters is DEXA.

Yes, exactly this, and it is the bit that took me 76 weeks to accept.

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[removed]13 points·11 days ago

[removed by moderator]

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u/tidy_vialdrawer_watch4 points·11 days ago

This is correct. DEXA is the standard.

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u/sunday_shot_sal11 points·11 days ago

Not convinced. The evidence does not support that reading.

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u/erez_yilmaz9 points·11 days ago

Yeah, protein matters on rapid loss.

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u/saskia_wojcik25 points·11 days ago

protein sarcopenia, not "lots"

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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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