Nature's Best Isopure Creatine Monohydrate powder has no calories, added sugars or fillers. Highly researched, Creatine Monohydrate has been shown to support muscle size, strength, and power when combined with high-intensity activities.* It's unflavored and perfect for stacking into your post-workout protein shake or favorite flavored beverage. All Isopure® products are manufactured from the highest quality raw materials, under strict supervision and in accordance with Good Manufacturing Practices. Extensive quality control procedures ensure proper purity, dissolution and potency.