When administered as an injection or IV infusion, glutathione enters the bloodstream directly, ensuring better absorption compared to oral supplements, which often break down during digestion and offer limited results
Effects of acetyl-L-carnitine and methylcobalamin for diabetic peripheral neuropathy: a multicenter, randomized, double-blind, controlled trial
Note that, clinically, we tend to see DIM and I3C lower E1 and E2 which may not be appropriate for every person
Under more severe conditions, it can further oxidize to methionine sulfone
Below those four, the drop is steep: GHK-Cu at 15.4%, retatrutide at 12.8%, SS-31 at 12.1%, and everything else in single digits
Gudbergsen, H