Enhancing supplemental effects of acute natural antioxidant derived from yeast fermentation and vitamin C on sports performance in triathlon athletes: a randomized, double-blinded, placebo-controlled, crossover trial
Glutathione is one of the most common ingredients in these pills which is known for its ability to block the action of tyrosinase which is an enzyme involved in melanin synthesis
Along similar lines, the biological meaning of many other small-molecule-based redox probes may also need careful interpretations 36,37
Laboratory blinding as to case and control status occurred for only one research group [65, 76, 87], although others were blinded to case status but not controls, for example, where the laboratory provided the control data [88, 90, 91] or reference ranges [65, 67, 92, 93] or where another study was used for controls [49, 50]
Protect the supplements from excessive heat and sunlight