Improved Peptides Review
Raw peptidesAn independent look at Improved Peptides: what their published testing actually shows, real prices, the discount, and whether they're worth buying from. We score on verifiable data, not deals.
Testing & COA verification
- ✓Net Content
- ✓Purity
- ✓Identification
- ✗Heavy Metals
- ✗Sterility
- ✗Endotoxins
- ✗Fentanyl / Contaminant
Verified from Improved Peptides's published certificates of analysis (Freedom Diagnostics). Always open the live, batch-specific COA for your exact product before buying.
What's good
- ✓ Publishes batch-specific COAs you can download and verify
- ✓ Independent testing via Freedom Diagnostics
- ✓ Discount code PEPTIDEPUBLLC (15% off)
- ✓ Sells 22 of the peptides and supplies we track with normalized unit pricing
What to watch
- • COAs reviewed do not show fentanyl/contaminant screening
Improved Peptides prices
Normalized after the PEPTIDEPUBLLC code. Click any item to compare against other vendors.
| Peptide | Size | Price | Compare |
|---|---|---|---|
| 5-Amino-1MQ | 50 mg | $63.75 $75 | Compare → |
| BAC Water | 10 mL | $12.33 $14.50 | Compare → |
| BPC-157 | 10 mg | $63.75 $75 | Compare → |
| BPC-157 + TB-500 Blend | 20 mg | $93.50 $110 | Compare → |
| DSIP | 5 mg | $38.25 $45 | Compare → |
| Epithalon | 10 mg | $55.25 $65 | Compare → |
| GHK-Cu | 50 mg | $38.25 $45 | Compare → |
| GLOW Blend | 70 mg | $97.75 $115 | Compare → |
| KLOW Blend | 80 mg | $123.25 $145 | Compare → |
| KPV | 10 mg | $51 $60 | Compare → |
| Melanotan II | 10 mg | $47.60 $56 | Compare → |
| MOTS-c | 10 mg | $67.15 $79 | Compare → |
| PT-141 | 10 mg | $55.25 $65 | Compare → |
| Retatrutide | 10 mg | $93.50 $110 | Compare → |
| Selank | 10 mg | $47.60 $56 | Compare → |
| Semaglutide | 5 mg | $58.65 $69 | Compare → |
| Semaglutide | 10 mg | $78.20 $92 | Compare → |
| Semax | 10 mg | $47.60 $56 | Compare → |
| TB-500 | 10 mg | $72.25 $85 | Compare → |
| Tesamorelin | 5 mg | $89.25 $105 | Compare → |
| Tesamorelin | 10 mg | $127.50 $150 | Compare → |
| Tirzepatide | 10 mg | $84.15 $99 | Compare → |
Is Improved Peptides legit?
Improved Peptides publishes verifiable, batch-specific COAs and scores 3/7 on our testing checklist — meaning the core testing you'd want (net content, purity, identification) is documented. That puts them among the more transparent vendors we track. As always, open the live COA for your exact batch before buying.