Selank is the companion compound to Semax, developed by the same Russian research tradition and sharing its regulatory position. Where Semax is discussed for focus, Selank is discussed for anxiety and stress response. The appeal is the claim of anxiolytic effect without sedation or dependence. At Body Works it is compounded and used under provider supervision.
Selank is a synthetic peptide based on tuftsin, a naturally occurring immune-modulating peptide fragment, modified for stability. Like Semax it was developed in Russia and has been used there clinically.
It is most often described as an anxiolytic peptide, meaning a compound intended to reduce anxiety, with the distinguishing claim that it does so without the sedation, cognitive dulling, or dependence associated with conventional anti-anxiety medications.
Research has examined Selank’s effects on anxiety, stress response, and the balance of neurotransmitters involved in mood regulation. Some work has explored its interaction with GABA signaling and with brain-derived neurotrophic factor.
As with Semax, much of this literature comes from Russian research groups. Large trials conducted under FDA or European frameworks are not available, so the evidence base should be understood as suggestive rather than definitive.
Selank is not FDA-approved in the United States. It is prepared by compounding pharmacies for supervised use.
One point deserves emphasis: anxiety is a genuine medical condition with effective, well-studied treatments. Selank is not a substitute for appropriate mental health care. If anxiety is significantly affecting your life, that warrants proper evaluation. Your provider at Body Works will raise this directly rather than treating a peptide as the answer to a clinical question it was never designed to settle.
Body Works Franklin
1113 Murfreesboro Rd Suite 307
Franklin, TN 37064
(615) 790-2548
By appointment Monday through Friday
Body Works Nolensville
210 Burkitt Commons Ave
Nolensville, TN 37135
(615) 941-1000
By appointment Monday through Friday
Selank is a synthetic peptide based on tuftsin, a naturally occurring immune-modulating peptide fragment. It is described as an anxiolytic peptide, intended to reduce anxiety without the sedation, cognitive dulling, or dependence associated with conventional anti-anxiety medications.
No. Selank is not FDA-approved in the United States. It was developed in Russia and used clinically there, but that carries no regulatory weight here. It is prepared by compounding pharmacies for supervised use.
No. Anxiety is a genuine medical condition with effective, well-studied treatments, and Selank is not a substitute for appropriate mental health care. If anxiety is significantly affecting your life, that warrants proper evaluation. Your provider will raise this directly.
They come from the same Russian research tradition and share a regulatory position. Semax is generally discussed for focus and cognition, while Selank is discussed for anxiety and stress response.
Selank is most commonly given intranasally. Your provider sets the protocol and explains administration at your consultation.

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