The importance of selenium as one of the essential trace minerals was discovered in the late 1950s. Since then, most research has been conducted on farm and laboratory animals. To date there is no evidence showing that selenium is helpful in bodybuilding. However, its use should be investigated by people working in areas where mercury and cadmium are used in manufacturing processes. The body tissues are offered a measure of protection from these poisonous minerals by supplements containing vitamin E and selenium working together as antioxidants.
Deficiencies, toxicity, and sources Deficiencies can be indicated roughly by hair and fingernail analysis. In its pure form, selenium can be toxic It is safe taken in multisupplement form and in natural foods having a high content, such as Brazil nuts, butter, brewer's yeast, lobster, torula yeast, and wheat germ.
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Ever since the fitness craze in the 1980’s, we have become a nation increasingly aware of our health and physique. Millions of dollars are spent every year in the quest for a perfect body. Gyms are big business, personal trainers are making a tidy living helping people stay fit, and body building supplements are at an all-time level of performance.