Verified ComparisonLast updated: 8 April 2026
TB-500 vs GHK-Cu
TB-500 is a fragment of thymosin beta-4, while GHK-Cu is a copper-bound tripeptide. Both are studied for recovery, but in different tissue contexts.
TB-500
Recovery
4.4/ 5
A
GHK-Cu
Skin
4.3/ 5
A−
Editor's note
TB-500 has broader musculoskeletal coverage; GHK-Cu dominates skin and cosmetic research.
| Criterion | TB-500 | GHK-Cu |
|---|---|---|
| Origin | Thymosin beta-4 fragment | Copper-peptide complex |
| Primary research focus | Wound healing, cardiac | Skin, collagen, cosmetics |
| Topical research data | Limited | Extensive |
| Systemic research depth | Moderate | Topical-focused |
| WADA status | Prohibited (S2) | Not listed |
| Cosmetic ingredient approval (topical) | Rare | Frequent |
Frequently asked questions
GHK-Cu has extensive topical and cosmetic research; TB-500 is more systemic.
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