While running, your body continues using a combination of fat and carbs for fuel, but the ratio flip - flops and you'll start burning more carbs than fats. (onnit.com)
He likes a protein powder that is relatively low in fat and carbs. (dailyburn.com)
Earlier you learned what your ideal daily calorie, protein, fat and carb intake should be for your exact goal. (acaloriecounter.com)