BPC-157 + TB-500: the Wolverine stack, put to the test

Research purposes only Checked against PubMed and official sources Oct 18, 2026

Quick facts

What it is: the two most popular recovery peptides, taken together.
Status: research purposes only. Neither is FDA-approved; both banned in sport.
Stack evidence: one rat tendon study (2026). The combo didn't beat either peptide alone.
Human evidence: tiny for BPC-157 (30 people), none for TB-500 products.
Known risks: no human safety data on the combination.

What is the BPC-157 + TB-500 stack?

The BPC-157 + TB-500 stack (nicknamed the "Wolverine stack" online) pairs the two most popular recovery peptides. BPC-157 is a 15-amino-acid peptide based on a stomach-juice protein. TB-500 is a synthetic product based on part of thymosin beta-4, a natural repair protein. Full details live in our BPC-157 and TB-500 guides.

Are BPC-157 and TB-500 FDA-approved?

Neither is FDA-approved. In July 2026 an FDA advisory committee voted to recommend allowing both in pharmacy compounding (FDA meeting page; vote report). The vote is non-binding.

Not FDA-approved; sold for research only. Known risks: not well studied; no human safety data on the combination; banned in sport (WADA). Choose a tested source.

Dosage

There's no established human dose, so we don't list one.

What the research shows

The first head-to-head stack study, in rats (Jt Dis Relat Surg, 2026): 32 rats after Achilles tendon repair, 8 per group. TB-500 significantly improved tendon strength and structure. BPC-157 showed smaller gains that weren't statistically significant. Adding them together gave no extra benefit.
BPC-157 in people (Acta Orthop Belg, 2026): a 2026 systematic review found 3 small human studies, 30 people in total, with no control groups. Certainty of evidence: very low.
BPC-157 in animals (HSS Journal, 2025): 36 studies, almost all animal, showing better healing of muscle, tendon, ligament and bone.
Thymosin beta-4 in people (Cardiovasc Res, 2025): in a 96-patient heart-attack trial, the overall result wasn't significant; a subgroup dosed early did better. No controlled human trials have tested products sold as "TB-500."

New to these terms? See the glossary.

BPC-157 + TB-500 stack FAQ

Does the BPC-157 and TB-500 stack work better together?

In the only study we found that tested the combination, a 2026 rat Achilles-tendon study, the combo did not add any benefit over either peptide alone.

Is the Wolverine stack FDA-approved?

No. Neither BPC-157 nor TB-500 is FDA-approved, and both are banned in sport by WADA.

What's the BPC-157 + TB-500 dosage?

There's no established human dose for either, so we don't list one.

Not medical advice. Education only. Talk to a licensed clinician about your health.

All guides: Semaglutide · Tirzepatide · Retatrutide · Orforglipron (Foundayo) · BPC-157 · TB-500 (thymosin beta-4) · GHK-Cu (copper peptide) · Collagen peptides · Tesamorelin (Egrifta) · CJC-1295 & ipamorelin · MOTS-c · Semax · PT-141 (bremelanotide, Vyleesi) · Melanotan II (MT2) · Epitalon (epithalon) · Selank · KPV · Kisspeptin · Cagrilintide & CagriSema · SS-31 (elamipretide, Forzinity) · Peptides 101 · Why is peptide info so confusing?