There is limited evidence suggesting that glutamine directly lightens skin
This study was designed to investigate the possible synergistic effect of GSH and SeNPs on the post-thawing laboratory indicators of sperm quality, oxidative-antioxidant status, and ability of spermatozoa to support in vitro development
Some treatments can be harsh on the skin and cause irritation or sensitivity Key Takeaway Based on the available evidence, it is difficult to say which is the best option- glutathione skin whitening treatment or other pigmentation removal treatments
10.1007/978-1-0716-3662-6_27 343 NicholK
Tone and oxidative stress: Glutathione reduces melanin index and improves brightness in topical and oral trials, with safety confirmed in multi-center reviews
You can supplement with Glutathione directly, or with its precursor, another antioxidant called NAC (N-Acetyl Cysteine)