Another trace mineral associated with immune health, selenium is also a powerful antioxidant. The National Cancer Institute's list of foods that can reduce the risk of developing cancer contains quite a few foods rich in selenium. A number of studies have shown that the combination of zinc and selenium enhances immunity in the elderly. A more recent study brings the effect of these two minerals into sharper relief. The zinc and selenium supplement cut the number of infections by nearly two thirds compared to placebo.
Micronutrients prevent cancer and delay aging.
The free radical theory of aging matures. The pharmacology of the antioxidant lipoic acid. Metabolic transformation of neuropeptide carnosine modifies its biological activity. Influence of a-lipoic acid on intracellular glutathione in vitro and in vivo. Gadaleta MN et al.