neocell glutathione Collagen Supplement with vitamin C and whitening capsules and biotin NeoCell® Official Site | Collagen
Description
Pourquoi choisirPHYSIOMANCE GLUTATHION du Laboratoire THERASCIENCE
Here's the bac-water math community sources use for the ~500mcg-1mg subQ range.

Written by registered dietitian, Detrick Snyder, MPH, RDN
Enriched with Kojic Acid & Grape Seed Oil, this brightening formula deeply cleanses, reduces dark spots, and enhances skin radiance for a glowing complexion