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Eat the Right Fuel
Eating natural, whole foods like unrefined grains and flours, raw and gently cooked vegetables and fruits and lean protein will cause you to make energy more efficiently, Dr. Merrell says. "Fresh foods, particularly vegetables and fruits, are packed with nutrients, antioxidants and anti-inflammatory molecules that help clean up and prime the body for activity," he says.
The calories from refined, processed foods can never duplicate this and can actually make you tired. "White carbohydrates—potato chips, rice, white bread and sugary foods like cookies, candy and ice cream—end up creating damaging free radicals that actually utilize energy rather than create energy," he says.