Wolverine Side Effects: What Studies and Users Report
What FDA labels and clinical studies report for Wolverine, how strong that evidence is, and what is still unknown.
Side effects reported in studies
Side effects reported in published studies, strongest design first. Frequencies are quoted as the source gives them; animal results are labelled. No study has tested Wolverine itself; rows are for each ingredient.
| Side effect | How common | Study type | Source |
|---|---|---|---|
| TB-500: Adverse events“The adverse events were mild to moderate in intensity.” | Frequency not stated | Human RCT | Journal of cellular and molecular medicine 2021, PMID 34346165 |
| TB-500: Treatment-emergent adverse events“Adverse events were infrequent, and mild or moderate in intensity.” | Frequency not stated | Human RCTn = 40 | Annals of the New York Academy of Sciences 2010, PMID 20536472 |
| TB-500: Safety profile“The safety profile of all doses of administered Tbeta4 was deemed acceptable and comparable to placebo.” | Frequency not stated | Human RCTn = 73 | Annals of the New York Academy of Sciences 2010, PMID 20536470 |
| BPC-157: Side effects“The BPC-157 peptide infusion was tolerated, with no side effects reported.” | Frequency not stated | Human uncontrolled trialn = 2 | Alternative therapies in health and medicine 2025, PMID 40131143 |
| BPC-157: Adverse events overall“No one dropped out of the study, and no adverse events were reported.” | Frequency not stated | Human uncontrolled trialn = 12 | Alternative therapies in health and medicine 2024, PMID 39325560 |
What is not known
- How common each effect is at the doses people use outside of studies.
- Effects that take longer to appear than the length of the published studies.
- How Wolverine interacts with other medicines and supplements.
- Whether research-grade products, which are not checked by the FDA, behave like the material used in studies.
When to get medical help
This is not a complete list. A doctor or pharmacist can help you judge whether a symptom is related.
Common questions
What are the side effects of Wolverine?
Studies we summarise reported adverse events, treatment-emergent adverse events, safety profile. The table on this page gives how often each happened and links each source.
Is Wolverine safe?
Wolverine has an FDA-approved label that lists its known risks. That label covers the approved product used as prescribed, not compounded or research-chemical versions.
Is Wolverine banned in sport?
Yes. Prohibited by WADA (S0). Tested athletes should not use it.
More on Wolverine
Sources
- 1A first-in-human, randomized, double-blind, single- and multiple-dose, phase I study of recombinant human thymosin β4 in healthy Chinese volunteers.Journal of cellular and molecular medicine · 2021PMID 34346165Accessed 2 Oct 2026
- 2A randomized, placebo-controlled, single and multiple dose study of intravenous thymosin beta4 in healthy volunteers.Annals of the New York Academy of Sciences · 2010PMID 20536472Accessed 2 Oct 2026
- 3The effect of thymosin treatment of venous ulcers.Annals of the New York Academy of Sciences · 2010PMID 20536470Accessed 2 Oct 2026
- 4Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study.Alternative therapies in health and medicine · 2025PMID 40131143Accessed 2 Oct 2026
- 5Effect of BPC-157 on Symptoms in Patients with Interstitial Cystitis: A Pilot Study.Alternative therapies in health and medicine · 2024PMID 39325560Accessed 2 Oct 2026
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