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c/bpc157·posted 22 days ago by u/ilias_steiner

small win: pentadecapeptide stopped being a problem at week 15

Question Slow Clap ×1

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

The advice on rodent data 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.

544 up / 79 down87% upvoted29 commentsid 1ys7137 Jul 2026

29 comments

22 in this archive, depth 6

best — the order this archive was captured in

u/food_noise_gonemaintenance45 points·21 days ago

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

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u/endotoxin_elliemicro31 points·21 days ago

tendon and sequence literature in rodents is interesting

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u/baseline_drifteranalytical8 points·21 days ago

sequence and naming claims need the actual sequence

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u/ilias_steinerOP4 points·20 days ago

Small correction: the trial was 4 weeks, not 40. Does not change your point but people will quote it.

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[deleted]3 points·20 days ago

[deleted]

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u/endotoxin_elliemicro2 points·20 days ago

[deleted]

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

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u/tb500_tangent10 points·20 days ago

Strongly agree. Zero human controlled data.

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u/rui_only_ro6 points·20 days ago

the rodent data rodent evidence is solid, human evidence is not

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u/batch_number_bertievetting23 points·21 days ago·edited

the tendon literature looks promising but rodent-only

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u/viktor_laurent-14 points·20 days ago

BPC BPC-157 is a naming problem, three things are called this

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u/teodor_szabo1 point·20 days ago

What was the batch number and which service?

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u/ilias_steinerOP26 points·21 days ago

the sequence literature looks promising but rodent-only

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u/signe_villalobos31 points·21 days ago
it is in the wiki actually
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u/enzo_danquah13 points·22 days ago

Dead space in the needle hub holds a small but non-trivial volume. On low-volume draws that can be several units.

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u/nils_ferreira6 points·21 days 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/karim_restrepo4 points·21 days ago

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

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u/vikram_mbeki9 points·20 days ago

sequence and naming claims need the actual sequence

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u/tomas_kimani2 points·20 days ago

the sequence variation is the real issue

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u/blunt_coldbox2 points·20 days ago

the sequence variation is the real issue

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

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u/dario_bakken1 point·20 days ago·edited

That is net peptide content, not purity. Different number, different meaning.

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u/tired_ledger_ftw2 points·20 days ago

Small correction: the trial was 22 weeks, not 15. Does not change your point but people will quote it.

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u/katrin_girard6 points·21 days ago

regulatory status changed in 24 countries, check yours

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About c/bpc157

BPC-157 as it actually is: a pentadecapeptide with a genuinely interesting rodent tendon-and-gut literature, near-zero controlled human data, a naming and sequence mess in the supply chain, and a regulatory status that changed sharply in several countries.

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