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When it comes to supplementing with substrates, glycine may be just as important as cysteine
For example, studies show improvements in running speed, increased maximal oxygen uptake, and decreases in average oxygen consumption, heart rate, and lactic acid
You must first start with a low dose and then increase it while also being mindful of the method of administration
Zinc and Selenium Zinc and Selenium are both trace minerals and act as antioxidants
These include vitamins (C, E, and -carotene), some metallo-enzymes including glutathione peroxidase (GPx, containing selenium), catalase (CAT, containing iron), superoxide dismutase (SOD, containing copper, manganese and zinc)
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