Sex differences in the effects of inorganic nitrate supplementation on exercise economy and endurance capacity in healthy young adults

Abstract

While inorganic nitrate (NO 3 − ) supplementation has increased in popularity as an ergogenic aid to improve exercise performance, the role of sex in NO 3 − supplementation on exercise outcomes is lacking despite known physiological differences during exercise between sex. This study revealed that males, but not females, improved exercise economy during submaximal exercise and exercise capacity during exercise within the severe-intensity domain following NO 3 − supplementation.