Click to expand Tap to zoom ON Creatine Monohydrate by Optimum Nutrition Sold out $79.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out Creatine monohydrate has been extensively studied and shown to help support muscle size, strength and recovery when used consistently over time in conjunction with a healthy, balanced diet and regular weight training.