Should selank or semax be cycled?

No controlled trial has tested a cycle length for either. Both are used in Russia on an as-needed or defined-course basis for their approved indications there, which is a different practice from a recurring on/off cycle chosen by a user, and neither has published data on tolerance with continuous or repeated use.

Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use.

Part of cycling and clearance. Whether peptides need a break, what a half-life actually tells you, and where a real cycling mechanism has been measured. Full detail at /cycling.