US$ 23.41
glutathion serum Niacinamide Glutathione Serum, 1.69 fl oz (50 ml) 074ppm of Vaccinium Vitis AGE-R Glutathione Glow Serum –
Description
The scientific backing is strong, though most studies are in animals

Dosing, in Practice Commonly observed research protocols land around 50 mg/day to start, titrating to 100 mg/day, taken orally, usually morning and fasted
Nov 2006;188(4):541-551

They found that NAM supplementation elevated NAD + levels, thereby ameliorating lipid metabolism and hyperlipidemia

Cui, H., Feng, C., Zhang, T., Martnez-Ros, V., Martorell, P., Tortajada, M., Cheng, S., Cheng, S., & Duan, Z

Get the reconstitution wrong, and you might compromise the entire vial
