Peptide Comparison
Semax vs Selank
Semax and Selank are Russian-developed nootropic peptides. Semax is an ACTH(4-10) analog focused on neuroprotection and cognition; Selank is a tuftsin analog focused on anxiolytic and immunomodulatory effects.
Semax
Semax is a synthetic analog of ACTH(4-10), approved in Russia. It is not FDA-approved. See the TruthTides evidence and regulatory libraries for graded study summaries and citations.
Semax Clinical ReferenceSelank
Selank is a synthetic heptapeptide analog of tuftsin developed in Russia. Available human trial data is limited and largely Russian-language. See the TruthTides evidence library for graded study summaries and citations.
Selank Clinical ReferenceKey Differences
This comparison is informational and reflects content from TruthTides clinical reference documentation. It does not constitute medical advice. Only three peptides on TruthTides — semaglutide, tirzepatide, and tesamorelin — carry FDA approvals; many others are compounded or off-label. Consult a qualified physician before starting any peptide therapy.