Double R Labs Review
Raw peptidesAn independent look at Double R Labs: 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 Double R Labs's published certificates of analysis (Kovera Labs). 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
- ✓ Strong 7/7 PeptidePub Testing Score
- ✓ Independent testing via Kovera Labs
- ✓ Discount code PEPTIDEPUB (15% off)
- ✓ Sells 13 of the peptides we track, priced per milligram
What to watch
- Nothing notable from the data we reviewed.
Double R Labs prices
Per-milligram after the PEPTIDEPUB code. Click any peptide to compare against other vendors.
| Peptide | Size | Price | Compare |
|---|---|---|---|
| 5-Amino-1MQ | 50 mg | $55.24 $64.99 | Compare → |
| BPC-157 | 10 mg | $29.74 $34.99 | Compare → |
| Cagrilintide | 10 mg | $76.49 $89.99 | Compare → |
| Epithalon | 50 mg | $49.29 $57.99 | Compare → |
| GHK-Cu | 100 mg | $42.49 $49.99 | Compare → |
| Ipamorelin | 10 mg | $42.49 $49.99 | Compare → |
| Melanotan II | 10 mg | $25.49 $29.99 | Compare → |
| MOTS-c | 10 mg | $33.99 $39.99 | Compare → |
| PT-141 | 10 mg | $25.49 $29.99 | Compare → |
| Selank | 10 mg | $30.59 $35.99 | Compare → |
| Semax | 10 mg | $30.59 $35.99 | Compare → |
| TB-500 | 10 mg | $46.74 $54.99 | Compare → |
| Tesamorelin | 10 mg | $46.74 $54.99 | Compare → |
Is Double R Labs legit?
Double R Labs publishes verifiable, batch-specific COAs and scores 7/7 on our testing checklist — meaning the core testing you'd want (net content, purity, identification, and more) is documented. That puts them among the more transparent vendors we track. As always, open the live COA for your exact batch before buying.