Mechanistic research behind Selank and Semax interest.
What to look for. The selected studies examine biochemical pathways. They do not measure everyday anxiety relief, focus or memory improvement.
Selank is a synthetic heptapeptide explored in anxiety-related research. The original biochemical study linked here examined enzymes that break down enkephalins, molecules involved in nervous-system signaling.
Evidence in this guide: Biochemical measurements in human serum; clinical anxiety outcomes are a separate question.
Read the Selank guide ↗Semax is a synthetic heptapeptide investigated in neurobiology. The linked experiment examined its interaction with enkephalin-degrading enzymes in human serum, a mechanistic question rather than a test of everyday cognitive performance.
Evidence in this guide: Biochemical research on peptide breakdown and signaling.
Read the Semax guide ↗