Semax and Selank are Russian-registered neuropeptides with decades of public clinical use and moderate trial support. Dihexa is the outlier — potent preclinically, no human data. The pairing's free information is strong; the actionable depth is gated.
With limited or no human safety data for this combination, there is no established marker set to monitor against — which is a reason for more caution, not less. Baseline bloods and a clinician conversation matter here. General information, not medical advice.