does glutathione feed candida Yeast cell wall mannan structural features, biological activities, and production strategies: Heliyon Glutathione production by Saccharomyces cerevisiae:

Similar content being viewed by others Glutathione Peroxidases (GPxs) GPxs are a family of oxidoreductase enzymes responsible for the detoxification of inorganic/organic peroxides in eukaryotic organisms [1]

So, which option you choose will depend on what you are trying to achieve with GHK and how much you are willing to go through for it

Stomach acid and digestive enzymes are very effective at breaking down proteins, and since glutathione is a tripeptide (a small protein), it often gets destroyed before it can be absorbed

Apoptosis inhibitor of macrophage ameliorates fungus-induced peritoneal injury model in mice