Methionine SAM (via MAT) methyl donor formation Homocysteine remethylation methionine (requires B12 ) Transsulfuration (CBS & CGL, needs B6 ) cysteine Cysteine + glutamate + glycine GSH (glutathione synthetase) Nutrient supports: B12, B6, folate for methylation & transsulfuration Sulfur-rich foods (garlic, onion, broccoli) Protein sources (eggs, fish, legumes) for amino acids Glutathione synthesis is the step-by-step process by which the body creates its master antioxidant to support detoxification, immunity, and cellular health
Use 23 times a week
Node degree was one of the primary methods used to identify key nodes, with higher node degrees signifying greater importance in the network
Written by Marijn Lewis, PhD Science communication & Nutrition research at Kala Health References Detcheverry, F., Senthil, S., Narayanan, S., & Badhwar, A
Lifespan.io (industry/development context) (2026) Related Dosing Protocols Educational use only This guide is an educational research reference about FOXO4-DRI, not medical advice or a treatment plan
As shown in the literature [18] , for moderate to high doses, female GSH recovers more quickly than male GSH