Become a Member

Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.

Already have an account? Sign In

Become a Member

Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.

Already have an account? Sign In

Brands

Departments

Spirulina Reduces Fatigue

Get full access to Outside Learn, our online education hub featuring in-depth nutrition, fitness and adventure courses, and more than 2,000 instructional videos when you sign up for Outside+..

Spirulina, a type of blue-green algae, can reduce mental and physical fatigue, according to a study of 17 men at The Ohio State University in Columbus.

Researchers compared the effects of a placebo and 3 grams daily of spirulina, and found that the algae supplement improved performance on aerobic gym equipment and in math tests.

Spirulina, a type of blue-green algae, can reduce mental and physical fatigue.