Precision Nutrition http://www.precisionnutrition.com/what-are-your-4-lbs Ryan at Precision Nutrition www.precisionnutrition.com/what-are-your-4-lbs What is in 4 lbs of food this interesting article What is in 4 lbs of food a really interesting article this interesting article this interesting article www.precisionnutrition.com/what-are-your-4-lbs Precision Nutrition