New science is set to revolutionize the way we eat, train, and live.
 
 
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The microbes in our digestive systems can affect everything from our mental health to our weight and vulnerability to disease. So why not athletic performance? New science is set to revolutionize the way we eat, train, and live.​
 
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In the name of citizen science, we peered inside the bellies of Outside staff—and seven elite athletes
 
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The ideal healthy-gut diet for performance
 
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WHAT YOU EAT MATTERS
 
 
 
 
Man vs. Food
 
 
 
 
 
VIDEO
 
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GEAR DEALS
 
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