Here’s a quick win. Rather than snacking on the standard carbs or protein bar before a workout, snack on some grapes. Researchers at the university of Alberta found that a compound in the fruit called Resveratrol increases muscle-twitch activation, for a 21% endurance boost, and longer endurance means more focused training and better results.

HINT | before a workout snack on some grapes

HINT | before a workout snack on some grapes

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