Individuals engaged in intensive training programs often report subjectively improved recovery, reduced muscle soreness, and better training consistency when using injectable glutathione as part of comprehensive recovery protocols that also include adequate sleep, proper nutrition, and appropriate training periodization
Dosing intervals vary
Walsh MF, Barazi M, Pete G, Muniyappa R, Dunbar JC, Sowers JR: Insulin-like growth factor I diminishes in vivo and in vitro vascular contractility: role of vascular nitric oxide
Studies show it boosts growth hormone without spiking other hormones like cortisol or prolactin, which can lead to unwanted side effects
Craig DGN, Ford AC, Hayes PC, et al
But it costs $150$300 per treatment and requires access to a wellness clinic or urgent care facility that offers it