Learn about how the role of carbs in building muscle can be the key to packing on game-changing size and strength. Proper nutrition is vital, but building muscle depends on more than just protein. Whether it's a breakdown of the best carbs for post-workout meals or advice on planning meals, STACK has tons of nutritional advice to help you grow into a monster on the field.

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G Performance Series 42: Justin Upton

G Performance Series 42: Justin Upton

MLB star Justin Upton works on his change-of-direction speed and agility in this episode. GSSI scientist Kim White talks about pre-activity eating, while performance expert...

G Performance Series 38: Peyton Manning

G Performance Series 38: Peyton Manning

In this episode, NFL star Peyton Manning attacks his core with functional training. Also, GSSI Senior Scientist Kim White shares tips on how to properly...




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