Simply Natural is a pure, unsweetened version of SPIRU-TEIN®, the world's greatest energizing protein shake. With only 3 g of carbs and 80 calories per serving, SPIRU-TEIN Simply Natural is a creamy and delicious treat for both low-carb and low-calorie diets.
SPIRU-TEIN Energy Shakes feature our Tri-Part Protein Blend of non-GMO rice protein, pea protein, and both non-fermented and fermented soy. With 14 grams of protein, each serving of SPIRU-TEIN is a high-protein energy meal. Each delicious flavor has been meticulously engineered to provide a broad range of minerals and an incredible 100% of the Daily Value of all vitamins.