preworkout

Before a physical workout.

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.

Before the physical workout.

A supplement taken before workout to boost it.

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

A workout preluding a main workout.