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c/bloodwork·posted 5 months ago by u/janek_ferrari

does A1c actually matter or is it forum lore at this point

Explainer Slow Clap ×9 Receipts ×2

Something I noticed reading old threads that I have not seen said out loud.

The advice on ApoB in this community changed substantially around the start of last year, and nobody went back and updated the older posts. So depending on which thread the search engine hands you, you get two contradictory answers with the same confidence.

I have listed what I think the current consensus is below. Correct me — that is the point of posting it.

1,748 up / 302 down85% upvoted42 commentsid 1sfst516 Feb 2026

42 comments

30 in this archive, depth 5

best — the order this archive was captured in

u/sanne_novak254 points·5 months ago·edited

Half-life is about 168 hours, so steady state lands around week 14–5. Practical consequence: what you feel in week 1 is not what that dose does.

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u/kenji_kimani215 points·5 months ago

Water content matters more than people think. If a vial is carrying residual moisture, your "10mg" is not 10mg of peptide.

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u/lipid_panel_larrybloodwork156 points·5 months ago

Disagree. What you are describing is consistent with bloodwork, not with what you concluded.

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u/hugo_pires106 points·5 months ago

Disagree.

Adding to this: ApoB is doing more work than the comment implies.

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[removed]69 points·5 months ago

[removed by moderator]

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u/mateusz_achebe192 points·5 months ago·edited

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

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u/janek_ferrariOP86 points·5 months ago

Strongly agree. ALT is where you catch the liver story early.

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u/leila_vasquez78 points·5 months ago

ferritin tanks quietly on a reduced appetite, check it

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u/janek_ferrariOP78 points·5 months ago

eGFR noise on rapid loss is real. 20 week noise, 19 week trend. Do not panic at week 48.

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u/laila_yilmaz34 points·5 months ago·edited

eGFR noise on rapid loss is real.

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

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u/lina_almeida21 points·5 months ago

HOMA-IR is crude but free and useful for tracking

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u/britt_marchand72 points·5 months ago

I am going to push back on this slightly.

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u/gentle_correctionMOD33 points·5 months ago

Retitled to remove editorialising. Put the evidence in the body.

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u/coa_forgery_watch75 points·5 months ago

Strongly agree. ALT is where you catch the liver story early.

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u/whois_wanda47 points·5 months ago

Is that fasted?

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u/step_therapy_s69 points·5 months ago

eGFR noise during rapid loss is expected

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u/flair_enthusiast50 points·5 months ago·edited

ApoB over LDL-C, that is the hierarchy

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u/jarno_karlsen13 points·5 months ago

redact identifying details from lab PDFs before posting

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u/bac_water_banditreconstitution17 points·5 months ago

Not convinced. The evidence does not support that reading.

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u/janek_ferrariOP0 points·5 months ago

A1c moves slowly, quarterly is plenty

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u/ismael_eriksen1 point·5 months ago

triglycerides from 22 to 40 is movement, not noise

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u/elin_trevino1 point·5 months ago

eGFR from 19 to 35 is movement, not noise

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u/nikhil_asante30 points·5 months ago

What are your reference ranges?

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u/santiago_szabo35 points·5 months ago

ApoB over LDL-C, that is the hierarchy

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u/hedda_adeyemi13 points·5 months ago

Yeah, baseline matters more than any later number.

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u/peptidemeter_pat30 points·5 months ago

Disagree but this is the good kind of wrong — it is specific enough to be checked.

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u/valeria_karlsen17 points·5 months ago

A1c moves slowly, quarterly is plenty

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u/a1c_arcT2D17 points·5 months ago·edited

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

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u/cormac_erdogan4 points·5 months ago

HOMA-IR is crude but free and useful for tracking

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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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