7 codes, each issued to BiohackTested by the vendor through its partner programme and confirmed in writing. No scraped codes and no guesswork. Every card shows the vendor’s rating from our independent review plus one strength and one weakness, so you know what you are buying into before you use the code.
Shopping from Germany, Austria or Switzerland? Gutscheincodes auf Deutsch.
| Vendor | Code | Discount |
|---|---|---|
| CertaPeptides | AFF-BIOHACKTESTE | 10% OFF |
| Particle Peptides | BIOHACKTESTED | 10% OFF |
| Avellon Peptides | BIOHACKTESTED | 10% OFF |
| Onyx Peptides | BIOHACK10 | 10% OFF |
| PeptidProfi | BIOHACKTESTED | 10% OFF |
| Peptides EU | AFF-06QQV8K3 | 10% OFF first order |
| Cenexa Labs | BIOHACKTES | 20% OFF |
Disclosure: BiohackTested earns a commission when you order with these codes or links. It does not affect any rating on this site. Ratings are calculated from published criteria, explained onhow we review.
AFF-BIOHACKTESTEMinimum order value €25.
BIOHACKTESTED10% off at checkout (code tested on 20 October 2026). Ships within the EU from Slovakia.
BIOHACKTESTEDApplies to the whole order at checkout.
BIOHACK10Applies at checkout.
BIOHACKTESTED10% off the products at checkout (code tested on 27 October 2026). Ships to Germany, the EU and Switzerland from Poland or Germany.
AFF-06QQV8K3First order only.
BIOHACKTESApplies at checkout. Ships within the United States.
These vendors have not issued a code to BiohackTested, so we do not list one. Their reviews are still worth reading before you order.
Yes. Code AFF-BIOHACKTESTE gives 10% OFF at checkout on CertaPeptides. Minimum order value €25. The vendor confirmed the code to BiohackTested in writing. CertaPeptides is rated 3.9/5 in our independent review.
Yes. Code BIOHACKTESTED gives 10% OFF at checkout on Particle Peptides. 10% off at checkout (code tested on 20 October 2026). Ships within the EU from Slovakia. The vendor confirmed the code to BiohackTested in writing. Particle Peptides is rated 3.5/5 in our independent review.
Yes. Code BIOHACKTESTED gives 10% OFF at checkout on Avellon Peptides. Applies to the whole order at checkout. The vendor confirmed the code to BiohackTested in writing. Avellon Peptides is rated 3.3/5 in our independent review.
Yes. Code BIOHACK10 gives 10% OFF at checkout on Onyx Peptides. Applies at checkout. The vendor confirmed the code to BiohackTested in writing. Onyx Peptides is rated 3.0/5 in our independent review.
Yes. Code BIOHACKTESTED gives 10% OFF at checkout on PeptidProfi. 10% off the products at checkout (code tested on 27 October 2026). Ships to Germany, the EU and Switzerland from Poland or Germany. The vendor confirmed the code to BiohackTested in writing. PeptidProfi is rated 3.0/5 in our independent review.
Yes. Code AFF-06QQV8K3 gives 10% OFF first order at checkout on Peptides EU. First order only. The vendor confirmed the code to BiohackTested in writing. Peptides EU is rated 2.8/5 in our independent review.
Yes. Code BIOHACKTES gives 20% OFF at checkout on Cenexa Labs. Applies at checkout. Ships within the United States. The vendor confirmed the code to BiohackTested in writing. Cenexa Labs is rated 2.7/5 in our independent review.
No. Ratings are calculated from six published criteria (lab transparency, COA quality, independent reputation, shipping, catalog and value). Whether a vendor offers a code or pays commission is not one of them, and vendors with codes carry documented weaknesses like every other vendor.
CertaPeptides (AFF-BIOHACKTESTE, 10% OFF), Particle Peptides (BIOHACKTESTED, 10% OFF), Avellon Peptides (BIOHACKTESTED, 10% OFF), Onyx Peptides (BIOHACK10, 10% OFF), PeptidProfi (BIOHACKTESTED, 10% OFF), Peptides EU (AFF-06QQV8K3, 10% OFF first order). All of them ship from within the European Union.
We only publish codes a vendor has issued to us through its partner programme. If a vendor has not issued one, we say so rather than list a code we cannot stand behind.
Research Use Only: all products referenced are research chemicals for laboratory use. Nothing on this page is medical advice or guidance for human use.