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Fitness & Performance

How your gut affects your training, recovery, and athletic performance.

Featured dispatch

Does Protein Powder Wreck Your Gut? Here's What the Research Says

Why protein shakes destroy some people's stomachs and not others, and what you can actually do about it.

The real reasons exercise makes you bloated, and what actually works to stop it.

Your gut microbiome plays a bigger role in muscle growth and recovery than most trainers realize. Here's the science.