Even without Viagra, Levitra and Cialis, can some symptoms of aging be improved?
Carnitine helps avoid the side effects of testosterone and improves erections and fatigue, according to a randomized study in Urology.
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Carnitine helps cells produce energy and remove a toxic accumulation of fatty acids. Animal studies show that it also reverses the age-related decline in neurons in the brain.
In this study, 120 men received testosterone 160 mg/day, carnitine 4 g/day, or placebo for six months.
Compared with testosterone, carnitine was significantly more active in improving the International Index of Erectile Function score. And only testosterone increased the size of the prostate. Prostate-specific antigen or PSA (the basic blood test for prostate cancer) did not change significantly.
Carnitine is a water-soluble amino acid, or building block for protein. It is made in the body from amino acids lysine and methionine, plus vitamins C, B6 and Niacin.
Which foods contain carnitine? Carnitine is found in meat, especially mutton and lamb. Chicken, fish, eggs and milk also contain carnitine. For carnitine-rich recipes, click here.