Grass-fed pure native WHEY PROTEIN ISOLATE (WPI) is designed to help you build, repair, and maintain healthy, lean muscle, boost your immune system, and manage weight. The Healthy Chef’s unique premium recipe uses cold filtration, retaining all the nutrients found in biodynamic milk. So, if you are very sensitive to lactose, but can't live without whey due to it’s high protein hit, choose the Healthy Chef WPI Natural! A light and smooth texture with absolutely NOTHING added - the perfect protein powder for sensitive taste buds, helping you feel full in between meals.