BPC-157 vs TB-500: How they differ

Kinds of source describe where information comes from, not how good it is.

They are separate compounds with their own pages.

Wolverine is a blend of the two. This page looks at each one on its own.

• What it is

  Learn Peptides explanation

  BPC-157

  A short peptide based on one the body makes. It is one of the most discussed peptides for tissue repair.

  TB-500

  A lab-made piece of thymosin beta-4, a protein the body makes. It is most often paired with BPC-157.

• Why people look at it

  Community reports

  BPC-157

  Recovery of tendons, ligaments and muscles. Some also look at it for joint comfort, gut problems or recovery after surgery.

  TB-500

  Recovery of tendons, ligaments, muscles and joints. Some also look at it for inflammation or for recovery after surgery.

• Patterns people report

  Community reports

  BPC-157

  Many describe less pain, easier movement or faster-feeling recovery, mostly for a specific injury. Gut and mood reports are much more mixed.

  TB-500

  Many say pain and swelling eased faster than expected. Almost every success story also involved other treatments, so it is hard to credit TB-500 alone.

• When people say it did little

  Community reports

  BPC-157

  About 1 in 8 people with firsthand reports said it did nothing. Most often, they were using it for gut problems or long-term illness, not an injury.

  TB-500

  Quite a few say it did nothing for their injury, even after trying it longer or in different amounts.

• Side effects people mention

  Community reports

  BPC-157

  Flat mood, low motivation or anxiety come up sometimes. Vivid dreams, eye twitching, tingling or a faster heart rate are rare.

  TB-500

  Soreness or a welt at the injection site, and anxiety or mood changes, come up sometimes. Trouble sleeping, sweating, tingling, nausea or headache are rare.

• What animal studies show

  Animal research

  BPC-157

  In rats, it sped up healing of tendons, ligaments and muscle, and helped surgical joins in the gut hold and heal.

  TB-500

  In small rat studies, TB-500 helped repaired Achilles tendons heal, and its parent protein helped ligaments heal. In mice, the parent protein drew in the cells that rebuild muscle.

• What studies in people show

  Human research

  BPC-157

  Very little. Fewer than 30 people have been in published studies, with no large controlled trial. One small clinic report on knee pain had no comparison group.

  TB-500

  One small trial in people put a gel of its full parent protein on slow-healing leg ulcers. In its posted results, 12 of 55 people on the gel healed, and 4 of 17 on a placebo gel. The gel showed no benefit. Most studies cover the full protein, not the shorter TB-500 fragment.

• Studied together?

  Learn Peptides explanation

  BPC-157

  No controlled human study has tested BPC-157 and TB-500 together.

  TB-500

  The case for pairing them is indirect. It comes from studies of each one alone, practitioner talks and personal reports.

• What is not established

  Learn Peptides explanation

  BPC-157

  Feeling better does not prove an injury has healed. Whether it raises cancer risk is unresolved either way.

  TB-500

  Studies of the full protein do not prove the same for every product called TB-500. Long-term safety data in people do not exist.

• Commonly researched dosages

  Each line comes from one source. A dose of one compound says nothing about the strength of another. Each page lists every schedule with its source. Do not mix steps from different sources.

  BPC-157

  250 to 1,000 mcg, once daily.Source: Set by our editors.See all dosages for BPC-157

  TB-500

  500 to 1,000 mcg, once daily.Source: Practitioner.See all dosages for TB-500

• At US Precision Peptides

  What our partner, US Precision Peptides, lists for each. Each page's Next step has the details.

  BPC-157

  Listed as BPC-157.See product details for BPC-157

  TB-500

  Not sold on its own. Products that contain TB-500: Wolverine 60 mg, Wolverine 20 mg, GLOW 70 mg and KLOW 80 mg. A blend vial holds its ingredients in a fixed ratio, so TB-500 cannot be measured on its own.See product details for TB-500

• BPC-157 helps grow new blood vessels, which is a theoretical concern with a cancer history. No human studies have tested this either way.
• Studies link the protein TB-500 comes from to tumor spread and new blood-vessel growth. With active or recent cancer, the practitioner commentary advises avoiding both. Talk to your oncologist first.
• Both are on the World Anti-Doping Agency (WADA) 2026 Prohibited List, so both are banned in drug-tested sport.
• If you take blood thinners, the practitioner commentary says to stay away from BPC-157. It affects platelets, the cells that help blood clot.
• Some people report flat mood or anxiety on BPC-157 that went away after stopping. Anxiety or mood changes also come up in TB-500 reports.
• Products sold as TB-500 may not all hold the same ingredient. Some suppliers are said to provide the full-length protein instead of the short fragment.
• For pregnancy or breastfeeding, the practitioner commentary says to avoid BPC-157. There is no data.

• This comparison does not say either one repairs an injury. Feeling better does not prove an injury has healed.
• It does not suggest using the two together. No controlled human study has tested BPC-157 and TB-500 together.
• It does not treat studies of the full thymosin beta-4 protein as studies of TB-500.
• It does not say either one is free of risk. Long-term safety data in people do not exist for TB-500, and BPC-157 has been studied in fewer than 30 people.

Each page has its own research, cautions and commonly researched dosages.