Cognitive Stack
- Semax Amidate 99.18% + Selank Amidate 99.45% (Janoshik Labs, third-party HPLC — each compound tested individually)
- Semax Amidate: Janoshik Task #93325 · Batch CS-nasem501130 | Selank Amidate: Janoshik Task #81742 · Batch CS-nasn10928
99%+ purity guarantee · Free express shipping to the US & Europe
Cognitive Stack — a set of Semax and Selank research vials, each from a third-party tested batch.
Contents:
- 30 Days set: 1× Semax Amidate 10mg + 1× Selank Amidate 10mg
- 60 Days set: 2× Semax Amidate 10mg + 2× Selank Amidate 10mg
Each vial is listed separately in our COA library with its batch reference and HPLC result.
For laboratory research use only. Not for human or veterinary use.
Our Purity Promise
Every batch of Peptonia peptides is third-party lab tested before it ever reaches you. We stand behind that testing completely — so much so that we back it with a full money-back guarantee.
If you send your product for independent lab testing and it does not verify at 99%+ purity, we will refund your order in full, and we'll also cover the cost of your lab test.
That's how confident we are in what we sell. No hoops, no fine print — just clean, verified peptides, guaranteed.
Our Peptide | Cheap vendors | |
|---|---|---|
| Third-party lab-tested, every batch | Yes | Rarely |
| Certificate of analysis included | Yes, with every order | On request only, if at all |
| Purity verified at 99%+ | Yes | Unverified |
| Sourcing transparency | Full disclosure | Often disclose |
| Batch-to-batch consistency | Yes | Inconsistent |
| Proper cold-chain shipping | Yes | Rarely |
| Money-back purity guarantee | Yes | No |
| Reconstitution support | Included | Not offered |
