Double R Labs coupon code
Use code PEPTIDEPUB at Double R Labs for 15% off. Verified July 2026 from our own vendor relationship — copy it, then compare the real price per mg before you buy.
Double R Labs discount code
15% off
How to use the Double R Labs code
- Copy PEPTIDEPUB above.
- Click Go to Double R Labs and add your research materials to the cart.
- Paste the code into the discount or coupon field at checkout.
- Confirm the 15% off applies before you pay.
What Double R Labs costs after the code
Lowest effective price per mg from what Double R Labs lists, after PEPTIDEPUB. Tap a peptide to compare it against every other vendor.
| Peptide | Size | After code | $/mg | Compare |
|---|---|---|---|---|
| GHK-Cu | 100 mg | $42.49 $49.99 | $0.42/mg | Compare → |
| GHK-Cu + KPV Blend | 60 mg | $50.99 $59.99 | $0.85/mg | Compare → |
| GLOW Blend | 70 mg | $59.49 $69.99 | $0.85/mg | Compare → |
| KLOW Blend | 80 mg | $67.99 $79.99 | $0.85/mg | Compare → |
| Epithalon | 50 mg | $49.29 $57.99 | $0.99/mg | Compare → |
| 5-Amino-1MQ | 50 mg | $55.24 $64.99 | $1.10/mg | Compare → |
Is Double R Labs legit?
A discount only matters if the product is real. Here is Double R Labs's PeptidePub Testing Score — a 7-point checklist scored from their published certificates of analysis.
- ✓Net Content
- ✓Purity
- ✓Identification
- ✓Heavy Metals
- ✓Sterility
- ✓Endotoxins
- ✓Fentanyl / Contaminant
PeptidePub may earn a commission when you use our Double R Labs code or link, at no extra cost to you. This never affects testing grades or rankings, which are based on independent lab data. Products are sold by Double R Labs for laboratory research use only. See our affiliate disclosure and methodology.
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