liposomal glutathione bioavailability randomized trial outperforms plain glutathione in uptake, cell regeneration and systemic availability: evidence from cellular and human models | British Journal of Nutrition Liposomal Glutathione – Luniora

Two things floating around online that cause fear-mongering: There's one scary-sounding study related to kidney tumors in male rats

Some are absorbed so quickly that there is no enough time for a population of host cells to gather (Kawakami et al., 1997)

A 2025 Japanese trial using 0.02 % peptide lotion observed a 7 % increase in hair count after 16 weeks, likely due to anti-inflammatory and vasodilatory effects

Several factors support the theoretical viability of oral BPC-157, though human outcomes remain unproven: Gastric Stability: BPC-157 was originally studied for gastric protection in animal models, meaning the compound was administered directly into the stomach in research settings