NAD+ and NADH are a redox couple, meaning that while NADH gets reduced, NAD+ gets oxidised when something is being reduced, it is gaining electrons and when something is being oxidised, it loses electrons
The last thing we want to hit on is that any supplement containing sugarnatural or artificial (pre-workouts included)should be avoided during a fast, as it will trigger insulin release
Springer, New York, pp 263282 Kusumi K, Yaeno T, Kojo K, Hirayama M, Hirokawa D, Yara A, Iba K (2006) The role of salicylic acid in the glutathione-mediated protection against photooxidative stress in rice
These minerals are available as supplements but enough can be consumed by eating a varied diet including brazil nuts (selenium), chicken, turkey and lentils (selenium and Zinc)and zinc is found in high concentration in beef, oysters and wild rice