"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." SUPPLEMENT MAKERS ADVERTISE that their powdered beets support your heart and make workouts easier.

Carly Sedlacek, MFN, RDN, LD, is a registered dietitian with the Cleveland Clinic Center for Human Nutrition. She also holds a Master’s of Food and Nutrition degree. Beets are sometimes thought of as ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Supplement makers advertise that their powdered beets support your heart and make workouts easier.

Pre-workout is one of those gray areas when it comes to supplements — either you swear by it or swear it off completely. This is mostly due to the lack of clear ingredients, synthetic additives and ...