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Spirulina May Decrease Mental and Physical Fatigue

Spirulina is a blue-green algae that is loaded with nutrients and antioxidants. A recent study suggests that spirulina supplements may help reduce both physical and mental fatigue.


Participants in the study included 17 healthy men who were given either a placebo or three grams of spirulina daily for eight week. All of the participants underwent aerobic exercise tests and mathematical-based mental fatigue tests. They also rated their daily fatigue throughout the study.


The researchers found that the spirulina group had improvements in mental fatigue beginning four hours after the first supplementation and continuing for eight weeks. They also noted an increase in exercise after one week in the spirulina group, however the difference was no longer noticeable after eight weeks. Finally, self-reported physical and mental fatigue was better four hours after the first spirulina supplement and continued throughout the eight-week period.


Researchers from Ohio State University conducted the study. It was published online ahead of print on February 17, 2016, in the International Journal of Food Sciences and Nutrition.


Spirulina is a blue-green algae that grows in freshwater. Previous studies suggest that it may help with detoxification of heavy metals, combatting candida yeast infections, helping lower blood pressure, lowering cholesterol, and help with weight loss.


As algae isn’t a common part of the western diet, the optimal way to obtain these benefits is with a high quality supplement. Make sure your supplement is from a certified source to avoid impurities.

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