As a weight loss supplement
"Although L-carnitine has been marketed as a weight-loss supplement, there is no scientific evidence to show that it improves weight loss; however, some studies show that oral carnitine reduces fat mass, increases muscle mass, and reduces fatigue. All of these effects may contribute to weight loss."
Effect in male infertility
The use of carnitine showed some promise in a controlled trial in selected cases of male infertility by improving sperm quality.[16] L-carnitine supplementation has also shown to have beneficial effects in the treatment of varicocele, a major cause of male infertility.
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