The degree to which elite-level Japanese track and field athletes utilize supplements has become clearer. Nearly 2/3 of athletes regularly use a supplement, with higher usage among women than men, higher usage among seniors than juniors, and higher usage in long distance than in other disciplines. Those are the findings of a paper by Shogo Tabata of the Keio University Sports Medicine Center published in the Journal of the International Society of Sports Nutrition.
Supplement usage is higher among athletes than in the general population, with some studies suggesting a typical usage level of about 60%. There are a wide variety of supplements such as vitamins and minerals, but few have clear evidence of efficacy. At the same time, some products have been known to include banned substances, creating the risk of "unintentional doping" by those who use them carelessly.
Although the number of reported cases of Japanese athletes caught for doping is small, the proportion of them d…
Supplement usage is higher among athletes than in the general population, with some studies suggesting a typical usage level of about 60%. There are a wide variety of supplements such as vitamins and minerals, but few have clear evidence of efficacy. At the same time, some products have been known to include banned substances, creating the risk of "unintentional doping" by those who use them carelessly.
Although the number of reported cases of Japanese athletes caught for doping is small, the proportion of them d…