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c/bloodwork·posted 11 months ago by u/elise_grimaldi

ApoB is the most under-discussed thing in c/glp1science

Concerning Clean Column ×9 Slow Clap ×2 Sourced ×2

Confession thread, sort of.

I went from 0.5mg to 12.5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 11 weeks later, at which point I had no way of knowing whether the dose increase did anything or whether it would have broken anyway.

So now I have sulphur burps I did not need and a data point I cannot interpret. Two lessons in one.

Posting it in the hope that somebody at week 44 reads it before doing the same thing.

12,385 up / 9,006 down58% upvoted51 commentsid 2btvlh16 Aug 2025

51 comments

19 in this archive, depth 6

best — the order this archive was captured in

u/lipid_panel_larryMOD718 points·11 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/santiago_rasmussen207 points·11 months ago

Small correction: the trial was 13 weeks, not 25. Does not change your point but people will quote it.

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u/copay_card_cc579 points·11 months ago

Slight fix: the number was 99.0, not 98.9. Decimal point, but a fairly consequential one.

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u/elise_grimaldiOP-5 points·11 months ago

Small correction: the trial was 23 weeks, not 7. Does not change your point but people will quote it.

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u/emeka_chowdhury1k points·11 months ago

This is correct. ApoB is the better marker.

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u/janek_ferrari431 points·11 months ago

Rodent data is rodent data. Dose scaling is not linear and the models tell you what to investigate, not what to expect.

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u/copay_card_cc147 points·11 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/elise_grimaldiOP54 points·11 months ago

baseline is the most important eGFR measurement, you cannot collect it later

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u/nnt_nate237 points·11 months ago

eGFR noise during rapid loss is expected

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u/tidy_vialdrawer_watch121 points·11 months ago

Sceptical. If this were true we would see it reflected in the data and we do not.

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u/vito_chowdhury77 points·11 months ago

ApoB from 4 to 40 is movement, not noise

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u/constipation_clubside effects29 points·11 months ago

ApoB from 4 to 40 is movement, not noise

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

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u/elise_grimaldiOP32 points·11 months ago

My ferritin went from 14 to 28 in 41 weeks. The A1c story shows up in the trend, not the single number.

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About c/bloodwork

What to measure before you start, what to re-measure, and how to interpret movement without panicking. ApoB over LDL-C, HOMA-IR as a crude free tool, ALT and the fatty-liver story, eGFR noise during rapid loss, and the deficiencies that a 1,100-calorie appetite will hand you.

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