It’s one of the few supplements in sport that’s legal, safe and has solid supporting evidence. That evidence suggests even the most lax gym-goer could benefit from taking it.

NAD plus is a popular supplement lauded for its reported anti-aging benefits, but does it really work? We asked the experts.

Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition programme.

We went to the experts — dietitians — to get the scoop on personalized vitamins and which brands are best. Learn more here.

Our dietitians and testers rounded up the 12 best protein powders. See the products that made our list and get tips on how to use protein powder.