Cultures were pulse-labeled with 10 M BrdU (a nucleoside analog that competes with thymidine for incorporation into DNA) in DMEM-10% HS for the final 2-h period of 48-h in culture, followed by immunocytochemistry for detection of BrdU using G3G4 anti-BrdU mAb (1:100 dilution) and HRP-conjugated anti-mouse IgG Ab (1:500 dilution)
Crucially, the researchers noted that one month after stopping the supplement, glutathione levels returned to baseline, proving that continuous, sustained intake is required to maintain the therapeutic benefits
Dairy Products Milk, yogurt, and cheese are excellent sources of amino acids
Suh K-S, Roh H-J, Choi S-Y, et al
Of note, NMNH has been recently declared self-affirmed GRAS, which should accelerate its clinical development
Several other studies of glutathione have been conducted in relation to melasma