g cell glutathione is critical for NK cell-mediated immunity CONTINUAL - G Powder -
Description
Specifically, the gut microbiota acts as a metabolic bridge: it ferment dietary nutrients to produce bioactive metabolites (e.g., SCFAs, tryptophan derivatives), which signal to the brain via three pathways: 1

I may have just had a bad batch as I used to order it monthly from a reputable pharmacy who knows how to make it ,nitrogen pack, add 1% vit c adjust pH keep cool and in the dark etc

Re-entering a vial with a used needle is the fastest way to introduce bacterial colonies
Maryke Louw 5 min read bottom of page
