Preworkout

Beets: The chemical nitrate naturally found in the veggie has been shown to lower blood pressure and protect your heart, and as a preworkout beverage in, say, a smoothie, beetroot juice could reduce breath rate during exercise, which means it can be easier to move faster and go longer, say SELF contributing experts Willow Jarosh and Stephanie Clarke.

Source: wiktionary

Those who use preworkouts regularly often swear by them, citing gains and performance improvements that wouldn’t have been possible otherwise.

Source: wiktionary