A second trial in healthier, community-dwelling older adults showed less dramatic effects, suggesting the intervention may provide more benefit to those who already show measurable deficiency and metabolic stress
Cancer Res 59 : 35883591 Zhang L, Kashanchi F, Zhan Q, Zhan S, Brady JN, Fornace AJ, Seth P, Helman LJ (1996) Regulation of insulin-like growth factor II P3 promotor by p53: a potential mechanism for tumorigenesis
- to a normal energy metabolism
These observations are also in agreement with the fact that intracellular proteins normally contain more free cysteines than secreted proteins 27 , which are richer in disulfide bonds
But there may be other explanations for that link
Additionally, it regulates melanin production, a pigment which triggers hyperpigmentation and dark spots, and gives brighter skin