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Abstract
Infertility is defined by most authorities as the inability to achieve a pregnancy after one year of unprotected intercourse. An estimated six percent of adult males are thought to be infertile. Infertility is a multi-factorial condition and poor nutrition, exposure to pollutants and toxins, recreational drugs and medications, plus lifestyle factors and stress all play their part in affecting sperm count, motility and morphology (shape). Falling sperm counts and the rise in male infertility has led to an increased interest in the nutritional and environmental factors that influence the development and quality of sperm A number of nutritional therapies have been shown to improve spermcounts and sperm motility, including carnitine, arginine, zinc, selenium, and vitamin B-12 etc. Numerous antioxidants have also proven beneficial in treating male infertility, such as vitamin C, vitamin E, coenzyme Q10 etc.