oral glutathione supplement Best POLIGLO – Glutathione Oral Liquid
Description
Yes- it says one month

Yunoue S, Tokuo H, Fukunaga K, Feng L, Ozawa T, Nishi T, et al

[DOI] [PMC free article] [PubMed] [Google Scholar] 18.Schreiber R, Buchholz B, Kraus A, Schley G, Scholz J, Ousingsawat J, et al

Adverse side effects are not frequently reported among patients
