Compounded in U.S. 503A / 503B pharmaciesThird-party tested — potency, sterility, endotoxinPrescribed only by licensed U.S. providersCold-chain packed · tracked shippingCertificate of Analysis on every lotNo research-use chemicals — prescription onlyCompounded in U.S. 503A / 503B pharmaciesThird-party tested — potency, sterility, endotoxinPrescribed only by licensed U.S. providersCold-chain packed · tracked shippingCertificate of Analysis on every lotNo research-use chemicals — prescription only

Selank

Commonly chosen for: Anxiety and calm focus

Selank product photo from the HealthProsUSA storefront
Product photo from the HealthProsUSA storefront. Packaging may vary by dispensing pharmacy.

What it is

Selank is built from a natural immune peptide and works on some of the same calming systems that anti-anxiety medications target, but by a different route. Users report reduced anxiety without the drowsiness, foggy thinking or dependence those drugs can bring. It's often paired with Semax — one calms, one sharpens. Approved in Russia, not in the US.

How it works

Selank is built from tuftsin, a natural immune peptide, modified to last longer in the body.

It influences some of the same calming systems that anti-anxiety medications target, but by a different route, and also affects serotonin and BDNF signalling.

Users report a calmer baseline without the drowsiness, foggy thinking or dependence those medications can bring. It is approved in Russia, not in the US.

Who it's typically for

  • People who feel wired or unable to switch off.
  • People who want calm without sedation during the working day.
  • People pairing it with a focus-oriented peptide.

What to know before starting

Read this part properly

Common side effects

Nasal irritation with the nasal form, mild tiredness and headache are the usual reports. Human data is limited and long-term safety is not established.

Who should avoid it

Not appropriate in pregnancy or breastfeeding. Do not stop or replace a prescribed psychiatric medication with this; discuss any such medication with your provider first.

Consult requirement

No scheduled video visit required — reviewed and prescribed by a licensed provider. Add a consult if you have a chronic condition or take other medication.

This page is educational and is not medical advice. Nothing here is intended to diagnose, treat, cure or prevent any disease. Where you see the FDA-Approved Ingredient mark, the active ingredient is FDA-approved in at least one prescription medication. Products without it are prescribed based on your provider's clinical judgment and current research. Compounded preparations are not FDA-approved products in either case.

Often paired with

Questions people ask

More in Focus, Mood & Sleep

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Related reading

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Treatment is only available if determined medically appropriate by a licensed provider.

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