Straight answers
Common questions about Selank.
- What is the FDA status of Selank?
- No compounding pathway today. Selank is not FDA-approved, and there is no pathway for a US pharmacy to compound it today. FDA removed it from its 503A Category 2 on September 27, 2024, because the nominator had meant to nominate a different substance. FDA's Pharmacy Compounding Advisory Committee has not reviewed it, and nothing is pending. Checked against primary sources on October 13, 2026.
- Is compounded Selank an approved drug?
- No. Compounded medications are not approved by the FDA and have not been reviewed for safety, effectiveness, or quality. Selank is not FDA-approved, and there is no lawful pathway for a US pharmacy to compound it today. Its safety and effectiveness in people have not been established. PEPLUX is a telehealth platform, not a pharmacy or drug manufacturer. Medications are compounded and dispensed by independently licensed US compounding pharmacies.
- What does the evidence support for Selank, and what does it not?
- Most published research on selank is in animals and cell systems. Human studies are few and small, and none establishes its safety or effectiveness in people.
- What are the risks of Selank?
- Selank is not FDA-approved, and its safety in people has not been established. The full list of side effects, and of who should not use Selank, is in the risks section of this page. Your prescriber reviews your history before deciding whether it is appropriate for you.
- Does Selank require baseline labs?
- No. Selank does not require baseline labs, though your prescriber may order them based on your history. Baseline labs are included in the price.
- What does Selank cost?
- $229 per month. Medication: included. Clinician visit: included. Baseline labs: included. Lab retests: included when ordered by your provider. Shipping: included. Patient portal access: included. Care-team chat support: included. *If medically eligible.
- Is Selank prohibited in sport?
- Not named on the WADA 2026 Prohibited List. Not named on the 2026 list. Whether the S0 class (substances with no government approval for human therapeutic use) reaches it has not been confirmed.
- How is Selank given?
- Nasal spray or subcutaneous injection. Your prescriber decides whether it is appropriate for you and sets the regimen. PEPLUX does not publish dosing.