Who Should Avoid TB-500?

Who should not take TB-500?

Documented caution flags for TB-500 include active malignancy and pregnancy / nursing (no data). This is not exhaustive, and absence from this list is not a safety clearance. Anyone pregnant, nursing, or managing a serious medical condition should only consider it under a doctor's care, and safety data for TB-500 is limited.

Documented caution flags for TB-500

Active malignancy
Pregnancy / nursing (no data)

Reported side effects to weigh

Mild fatigue during loading
Injection-site soreness
Brief head-rush at injection

References

Thymosin β4: a novel regenerative pharmacological agent — Goldstein AL & Kleinman HK, Ann NY Acad Sci, 2012
Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair — Bock-Marquette I, Saxena A, White MD, Dimaio JM, Srivastava D — Nature, 2004

Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.

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Last updated 2026-06-15.