A short peptide first identified in 1970s animal sleep research, known as delta sleep-inducing peptide. Studied for possible effects on sleep onset and quality, though its mechanism is still unclear. Compare DSIP prices from $20 across 61 indexed vendors, with per-mg pricing and third-party COA verification.
| Vendor | Dose | Price | Per mg | Lab COA |
|---|---|---|---|---|
| THS Peptide | 2 mg | $20 | $10/mg | Yes |
| Guangsheng (Lyla) | 2 mg | $26 | $13/mg | — |
| VendorPep | 2 mg | $27.2 | $13.6/mg | — |
| Guangzhou Pengjiao Trading Co., Ltd. | 2 mg | $27.55 | $13.78/mg | Yes |
| Genxell | 2 mg | $30 | $15/mg | — |
| HK Qiangtai | 2 mg | $30 | $15/mg | — |
| Xjun Peptide | 2 mg | $30 | $15/mg | — |
| QYC (Amy) | 2 mg | $35 | $17.5/mg | — |
| LTP Peptides | 2 mg | $39 | $19.5/mg | — |
| RL Peptide | 2 mg | $40 | $20/mg | — |
| ROP Peptide | 2 mg | $52 | $26/mg | — |
| ROP Peptide | 2 mg | $67 | $33.5/mg | — |
| THS Peptide | 5 mg | $35 | $7/mg | Yes |
| JM Peptide | 5 mg | $35 | $7/mg | — |
| DY Peptide | 5 mg | $35 | $7/mg | — |
| VendorPep | 5 mg | $35.71 | $7.14/mg | — |
| Homopeptide | 5 mg | $36 | $7.2/mg | Yes |
| LB Peptide | 5 mg | $37 | $7.4/mg | — |
| QH Peptide | 5 mg | $37 | $7.4/mg | Yes |
| Guangsheng (Lyla) | 5 mg | $38 | $7.6/mg | — |
| TB-Peptide | 5 mg | $38 | $7.6/mg | — |
| BOC Peptide | 5 mg | $38 | $7.6/mg | — |
| Rayshine Peptide | 5 mg | $40 | $8/mg | — |
| TCi | 5 mg | $40 | $8/mg | — |
| Uther | 5 mg | $40 | $8/mg | — |
| TRANMOO | 5 mg | $40 | $8/mg | — |
| Genxell | 5 mg | $40 | $8/mg | — |
| Guangzhou Pengjiao Trading Co., Ltd. | 5 mg | $40.85 | $8.17/mg | Yes |
| Lipo-Peptide | 5 mg | $42 | $8.4/mg | — |
| ZhuoYan lab | 5 mg | $42 | $8.4/mg | Yes |
| PLY Lab | 5 mg | $42 | $8.4/mg | — |
| Nicole HK peptide | 5 mg | $43 | $8.6/mg | — |
| HKKR (Mary) | 5 mg | $43 | $8.6/mg | — |
| AMSpeps | 5 mg | $44 | $8.8/mg | — |
| CGL Peptide | 5 mg | $45 | $9/mg | — |
| Aishi Biochem | 5 mg | $45 | $9/mg | — |
| HHM Peptide | 5 mg | $45 | $9/mg | — |
| GanZhu Peptide （Verna） | 5 mg | $45 | $9/mg | — |
| GHK Peptide Factory | 5 mg | $45 | $9/mg | — |
| HK Qiangtai | 5 mg | $45 | $9/mg | — |
| LylaHM peptide(Heman peptide) | 5 mg | $45 | $9/mg | Yes |
| HMM Peptide | 5 mg | $45 | $9/mg | Yes |
| PPHK (Ella) | 5 mg | $45 | $9/mg | — |
| HMMpeptide (Molly) | 5 mg | $45 | $9/mg | Yes |
| MT Meipept | 5 mg | $45 | $9/mg | — |
| JEC/JCE | 5 mg | $45 | $9/mg | — |
| MKM Peptides | 5 mg | $45 | $9/mg | — |
| Xjun Peptide | 5 mg | $45 | $9/mg | — |
| TR Peptide | 5 mg | $45 | $9/mg | — |
| Tanran Peptide | 5 mg | $45 | $9/mg | — |
| APKX | 5 mg | $46 | $9.2/mg | — |
| ZLZ Sunny peptides | 5 mg | $46 | $9.2/mg | — |
| Zhuoyue Peptide | 5 mg | $47.85 | $9.57/mg | — |
| SPB International | 5 mg | $48 | $9.6/mg | — |
| ERP Peptide | 5 mg | $49 | $9.8/mg | — |
| Jinhe Biotechnology Global (JBG) | 5 mg | $49.5 | $9.9/mg | — |
| LKZ Peptide | 5 mg | $50 | $10/mg | — |
| QYC (Amy) | 5 mg | $50 | $10/mg | — |
| RL Peptide | 5 mg | $50 | $10/mg | — |
| Daniel Changtu company | 5 mg | $50 | $10/mg | — |