A synthetic ACTH-fragment neuropeptide studied for nootropic, neuroprotective, and stroke-related effects. Most support is preclinical; the limited human data are concentrated in older Russian stroke research. Compare Semax prices from $32.85 across 63 indexed vendors, with per-mg pricing and third-party COA verification.
| Vendor | Dose | Price | Per mg | Lab COA |
|---|---|---|---|---|
| Zhuoyue Peptide | 5 mg | $32.85 | $6.57/mg | — |
| TRANMOO | 5 mg | $33 | $6.6/mg | — |
| VendorPep | 5 mg | $34.6 | $6.92/mg | — |
| THS Peptide | 5 mg | $35 | $7/mg | Yes |
| GanZhu Peptide （Verna） | 5 mg | $35 | $7/mg | — |
| Genxell | 5 mg | $35 | $7/mg | Yes |
| Guangsheng (Lyla) | 5 mg | $38 | $7.6/mg | Yes |
| BOC Peptide | 5 mg | $38 | $7.6/mg | — |
| Guangzhou Pengjiao Trading Co., Ltd. | 5 mg | $38 | $7.6/mg | — |
| ERP Peptide | 5 mg | $39 | $7.8/mg | — |
| HKKR (Mary) | 5 mg | $40 | $8/mg | — |
| Tanran Peptide | 5 mg | $40 | $8/mg | — |
| TCi | 5 mg | $40 | $8/mg | — |
| QYC (Amy) | 5 mg | $40 | $8/mg | — |
| Chengtong Peptide | 5 mg | $40 | $8/mg | — |
| AMSpeps | 5 mg | $40 | $8/mg | — |
| WBS | 5 mg | $40 | $8/mg | — |
| Lipo-Peptide | 5 mg | $41 | $8.2/mg | — |
| APKX | 5 mg | $42 | $8.4/mg | — |
| Rayshine Peptide | 5 mg | $42 | $8.4/mg | — |
| QH Peptide | 5 mg | $43 | $8.6/mg | Yes |
| PLY Lab | 5 mg | $45 | $9/mg | — |
| PPHK (Ella) | 5 mg | $45 | $9/mg | — |
| ZhuoYan lab | 5 mg | $45 | $9/mg | — |
| Xjun Peptide | 5 mg | $45 | $9/mg | — |
| TR Peptide | 5 mg | $45 | $9/mg | — |
| CGL Peptide | 5 mg | $45 | $9/mg | — |
| AD Peptide | 5 mg | $45 | $9/mg | — |
| LB Peptide | 5 mg | $45 | $9/mg | Yes |
| Homopeptide | 5 mg | $45 | $9/mg | Yes |
| Jinhe Biotechnology Global (JBG) | 5 mg | $45 | $9/mg | — |
| LTP Peptides | 5 mg | $45 | $9/mg | — |
| MKM Peptides | 5 mg | $45 | $9/mg | Yes |
| HK Qiangtai | 5 mg | $47 | $9.4/mg | — |
| TB-Peptide | 5 mg | $48 | $9.6/mg | — |
| HMMpeptide (Molly) | 5 mg | $49 | $9.8/mg | — |
| ZLZ Sunny peptides | 5 mg | $49 | $9.8/mg | Yes |
| Nicole HK peptide | 5 mg | $49 | $9.8/mg | Yes |
| HHM Peptide | 5 mg | $49 | $9.8/mg | — |
| HMM Peptide | 5 mg | $49 | $9.8/mg | — |
| GHK Peptide Factory | 5 mg | $50 | $10/mg | — |
| Daniel Changtu company | 5 mg | $50 | $10/mg | — |
| LKZ Peptide | 5 mg | $50 | $10/mg | — |
| MT Meipept | 5 mg | $50 | $10/mg | — |
| JEC/JCE | 5 mg | $50 | $10/mg | Yes |
| Aishi Biochem | 5 mg | $53 | $10.6/mg | — |
| APM Peptide | 5 mg | $55 | $11/mg | — |
| XBT Peptides | 5 mg | $55 | $11/mg | — |
| JM Peptide | 5 mg | $55 | $11/mg | — |
| XH-Peptides | 5 mg | $60 | $12/mg | — |
| RL Peptide | 5 mg | $60 | $12/mg | — |
| ROP Peptide | 5 mg | $61 | $12.2/mg | — |
| TP Peptide | 5 mg | $65 | $13/mg | — |
| ROP Peptide | 5 mg | $75 | $15/mg | — |
| APM Peptide | 5 mg | $75 | $15/mg | — |
| Lobster | 5 mg | $75 | $15/mg | — |
| BOC Peptide | 5 mg | $93 | $18.6/mg | — |
| DY Peptide | 10 mg | $45 | $4.5/mg | Yes |
| Guangsheng (Lyla) | 10 mg | $47 | $4.7/mg | Yes |
| VendorPep | 10 mg | $49.6 | $4.96/mg | — |