To approach toxic levels, a person would have to take around 32.5g of glutathione,6 which is over 64 times more than what you'd get with even the highest-dosed options among our recommendations
Thus, it is important to be cautious of these products while using glutathione: High doses of iron or zinc supplements Multiple skin whitening creams or skincare products, or supplements Strong topical actives like retinoids Unlicensed IV glutathione treatments Timing Considerations to Avoid Conflict Interactions To avoid counter-interactions of glutathione with other medicines or supplements, you should adjust your timings
Nayan Patel explains: The problem with oral glutathione supplements is that, once the active GSH enters the system, digestive enzymes in the gut dissolve and eat most of it up
G6PD deficiency can be caused by more than 180 gene mutations
If you're unsure about which product is best for you, we encourage you to take our AI quiz to help personalize your supplement regimen: Discover Your Ideal Supplement