A synthetic peptide marketed as related to thymosin beta-4, a naturally occurring protein involved in actin regulation, cell migration, and tissue repair. Human evidence is thin, and it is not an FDA-approved drug. Compare TB-500 prices from $35 across 57 indexed vendors, with per-mg pricing and third-party COA verification.
| Vendor | Dose | Price | Per mg | Lab COA |
|---|---|---|---|---|
| QH Peptide | 2 mg | $35 | $17.5/mg | — |
| Homopeptide | 2 mg | $35 | $17.5/mg | — |
| VendorPep | 2 mg | $38.6 | $19.3/mg | — |
| Guangzhou Pengjiao Trading Co., Ltd. | 2 mg | $38.95 | $19.48/mg | — |
| XH-Peptides | 2 mg | $40 | $20/mg | Yes |
| THS Peptide | 2 mg | $40 | $20/mg | Yes |
| TRANMOO | 2 mg | $43 | $21.5/mg | — |
| ROP Peptide | 2 mg | $44 | $22/mg | Yes |
| Nicole HK peptide | 2 mg | $45 | $22.5/mg | Yes |
| APKX | 2 mg | $45 | $22.5/mg | — |
| ZLZ Sunny peptides | 2 mg | $49 | $24.5/mg | — |
| LTP Peptides | 2 mg | $49 | $24.5/mg | — |
| Xjun Peptide | 2 mg | $50 | $25/mg | — |
| Xjun Peptide | 2 mg | $50 | $25/mg | — |
| ROP Peptide | 2 mg | $60 | $30/mg | Yes |
| RL Peptide | 2 mg | $60 | $30/mg | — |
| JM Peptide | 5 mg | $55 | $11/mg | — |
| QYC (Amy) | 5 mg | $60 | $12/mg | Yes |
| Zhuoyue Peptide | 5 mg | $62.85 | $12.57/mg | — |
| VendorPep | 5 mg | $64.43 | $12.89/mg | — |
| GanZhu Peptide （Verna） | 5 mg | $65 | $13/mg | — |
| Genxell | 5 mg | $65 | $13/mg | — |
| APKX | 5 mg | $68 | $13.6/mg | — |
| THS Peptide | 5 mg | $68 | $13.6/mg | Yes |
| Tanran Peptide | 5 mg | $70 | $14/mg | — |
| JEC/JCE | 5 mg | $70 | $14/mg | — |
| Homopeptide | 5 mg | $70 | $14/mg | — |
| CGL Peptide | 5 mg | $70 | $14/mg | — |
| Chengtong Peptide | 5 mg | $70 | $14/mg | Yes |
| QSC (Tracy) | 5 mg | $70 | $14/mg | — |
| Guangzhou Pengjiao Trading Co., Ltd. | 5 mg | $70.3 | $14.06/mg | — |
| AD Peptide | 5 mg | $71 | $14.2/mg | — |
| AD Peptide | 5 mg | $71 | $14.2/mg | — |
| LB Peptide | 5 mg | $72 | $14.4/mg | — |
| TR Peptide | 5 mg | $72 | $14.4/mg | Yes |
| QH Peptide | 5 mg | $72 | $14.4/mg | — |
| TRANMOO | 5 mg | $73 | $14.6/mg | — |
| HK Qiangtai | 5 mg | $75 | $15/mg | — |
| Lobster | 5 mg | $75 | $15/mg | — |
| WBS | 5 mg | $75 | $15/mg | Yes |
| GHK Peptide Factory | 5 mg | $76 | $15.2/mg | Yes |
| BOC Peptide | 5 mg | $76 | $15.2/mg | — |
| Rayshine Peptide | 5 mg | $77 | $15.4/mg | — |
| ERP Peptide | 5 mg | $79 | $15.8/mg | — |
| HKKR (Mary) | 5 mg | $80 | $16/mg | — |
| Xjun Peptide | 5 mg | $80 | $16/mg | — |
| APM Peptide | 5 mg | $80 | $16/mg | — |
| RL Peptide | 5 mg | $80 | $16/mg | — |
| LKZ Peptide | 5 mg | $80 | $16/mg | — |
| MKM Peptides | 5 mg | $80 | $16/mg | — |
| Xjun Peptide | 5 mg | $80 | $16/mg | — |
| TP Peptide | 5 mg | $80 | $16/mg | Yes |
| MT Meipept | 5 mg | $85 | $17/mg | Yes |
| HMMpeptide (Molly) | 5 mg | $85 | $17/mg | — |
| TCi | 5 mg | $85 | $17/mg | — |
| LylaHM peptide(Heman peptide) | 5 mg | $85 | $17/mg | — |
| HMM Peptide | 5 mg | $85 | $17/mg | — |
| HHM Peptide | 5 mg | $85 | $17/mg | — |
| XH-Peptides | 5 mg | $90 | $18/mg | Yes |
| Nicole HK peptide | 5 mg | $90 | $18/mg | Yes |