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Selank is a synthetic peptide made of seven amino acids. It was developed by researchers at the Russian Academy of Sciences as an analog of tuftsin, a naturally occurring four-amino-acid peptide.
Tuftsin comes from a fragment of immunoglobulin G, one of the main antibody proteins in the blood. To create Selank, researchers added three more amino acids (proline, glycine and proline) to the tuftsin sequence. This change was intended to make the peptide more stable in the body.
Selank is often discussed alongside Semax, another synthetic peptide developed in Russia. The two are different compounds with different starting sequences.
Selank is registered as a medicine in Russia. Much of the published research on it comes from Russian research groups, and large international clinical trials have not been reported.
Registration in one country does not transfer to another. In the United States, a drug must be approved by the FDA before it can be legally marketed as a medicine.
Current status: Not FDA-approved.
This means the FDA has not approved Selank as safe and effective for any medical use. No product containing it is an approved medicine in the United States.
Selank is also not a dietary supplement. A peptide that has not been approved as a drug does not become legal to market simply by being labeled differently.
Peptide Labs does not sell this compound. This page is general information, not medical advice. We do not supply Selank, and we do not point readers to anyone who does.
For personal medical questions, including questions about Selank, the right person to ask is a licensed healthcare provider.
See the full list of compound profiles in the Peptide Guide.
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