Topic

Safety & Risks

Reported adverse findings, contamination risks and open questions.

A long folded protein ribbon in soft gold light beside a much shorter fragment of the same ribbon.

Safety & Risks · October 30, 2026

TB-500 Is Not Thymosin Beta-4. Why the Difference Matters When Reading the Research.

Much of what is said about TB-500 comes from studies of a different, much larger molecule. A new orthopaedic review spells out the gap, and the product-quality questions that come with it.