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c/researchpeptides·posted 7 months ago by u/prior_auth_pain

small win: TB-500 stopped being a problem at week 21

Question Long Haul ×3 Well Actually ×1

Quick one. Canada here.

thymosin works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice that simply does not apply outside the US.

Specifics: the route I used took 5 weeks and cost roughly what I expected. The admin was worse than the cost. The thing that would have saved me the most time was knowing which document to ask for at the start.

Happy to answer questions from anyone in the same jurisdiction.

4,359 up / 3,189 down58% upvoted34 commentsid 1nf8rb14 Dec 2025

34 comments

30 in this archive, depth 5

best — the order this archive was captured in

u/adaeze_brandt228 points·7 months ago

Yeah, identity is the first question.

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u/line_bergstrom158 points·7 months ago

This is the "correlation is mechanism" thing again. You changed three variables at once.

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u/katrin_girard45 points·7 months ago

The confident tone is doing a lot of work that the evidence is not.

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u/prior_auth_painOPappeals24 points·7 months ago

Maintenance for 13 months now. Weight moves within about 3kg and the dose is a quarter of what it peaked at.

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u/nadia_kjaer111 points·7 months ago

evidence-level statements required: in vitro, rodent, or human

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[deleted]46 points·7 months ago

[deleted]

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u/prior_auth_painappeals103 points·7 months ago

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

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u/fabio_lehtinen35 points·7 months ago

the 9-letter analogs are speculative

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u/chidi_yilmaz41 points·7 months ago

Yeah, identity is the first question.

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u/bence_ibarra69 points·7 months ago

everything else in the vial drawer, handling

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u/gustav_solberg54 points·7 months ago

the thymosin literature is thin on humans

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u/piotr_grimaldi48 points·7 months ago

Yeah, identity is the first question.

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u/georgi_adebayo19 points·7 months ago

Yeah, identity is the first question.

Disagree on that part. 99.2% and 98.1% on the same vial is normal.

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u/piotr_grimaldi15 points·7 months ago

supply-chain naming is a mess, ask for HPLC

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u/old_account_20237 points·7 months ago

The confident tone is doing a lot of work that the evidence is not.

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u/prior_auth_painOPappeals0 points·7 months ago

Maintenance for 3 months now. Weight moves within about 3kg and the dose is a quarter of what it peaked at.

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u/rania_salinas3 points·7 months ago

The confident tone is doing a lot of work that the evidence is not.

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

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u/honest_syringe3329 points·7 months ago

Inter-lab variance on this kind of assay is routinely 1–2 points. Different column, different gradient, different integration.

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u/osman_ferrari28 points·7 months ago·edited

name the compound precisely, TB-500 and Thymosin Beta-4 are not the same

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u/anders_osei22 points·7 months ago·edited

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

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u/rui_only_ro8 points·7 months ago

Strongly agree. Evidence level matters.

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u/patient_labslip_log15 points·7 months ago

I love that this community will spend 40 comments on a detail. That pedantry is why the numbers here matter.

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u/hassan_ostergaard4 points·7 months ago

evidence-level statements required: in vitro, rodent, or human

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u/prior_auth_painOPappeals3 points·7 months ago

Second this question. I have wondered about handling for 23 months and never seen a straight answer.

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u/escrow_evangelist9 points·7 months ago

I love that this community will spend 40 comments on a detail.

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

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u/vendorinvestigate_vic4 points·7 months ago

name the compound precisely, TB-500 and Thymosin Beta-4 are not the same

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u/dario_vermeulen7 points·7 months ago

Slight fix: the number was 99.1, not 93.7. Decimal point, but a fairly consequential one.

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u/ledger_modmod · vetting4 points·7 months ago

Not to be pedantic but secretagogue and research peptides are being used interchangeably and they are not interchangeable in real life.

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u/marisol_frisk2 points·7 months ago·edited

Not to be pedantic but secretagogue and research peptides are being used interchangeably and they are not interchangeable in real life.

Adding to this: TB-500 is doing more work than the comment implies.

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