The excessive use of vitamin D supplements without proper medical consultation can lead to vitamin D toxicity [156]
Pairing with Vitamin C helps regenerate glutathione in your body and enhances skin brightening effects
Fleckenstein AE et al (2007): New insights into the mechanism of action of amphetamines
doi: 10.1016/j.fct.2017.10.042
Other supplements, such as N-acetylcysteine (NAC), may provide the cysteine needed to raise glutathione levels in the body in a less expensive way
Int Rev Chem Eng 3:320 Ilyasov I, Beloborodov V, Antonov D, Dubrovskaya A, Terekhov R, Zhevlakova A, Saydasheva A, Evteev V, Selivanova I (2020) Flavonoids with glutathione antioxidant synergy: influence of free radicals inflow