Argentine Beef Kidney powder comes from fresh, hormone-free, grass fed and finished Argentine Beef. No Hormones or additives. CurEase Beef Kidney Powder is free of GMO's, Pesticides and Gluten. The Kidney is carefully processed and is non-defatted to preserve all the fragile nutritional elements. Argentine Beef Kidney Powder is high in vitamin B12 and selenium. Argentine Beef Kidney Powder is suitable for long term use with no known side effects or contraindications. 908 Servings in the 1 Pound Pouch 500mg per serving Ingredients: Beef Kidney (Undefatted & Desiccated) Other Ingredients: None Suggested Use: Mix 1/8 teaspoon in tomato or vegetable juice or protein shake, 1-2 times a day.