What we like: 240 servings per tub, pure creatine monohydrate Check out the label of Optimum Nutrition's Micronized Creatine Monohydrate Powder, and you'll see that it lists just one ingredient: creatine monohydrate. According to the experts we interviewed for this article, that's a major plus because you don't want or need anything else in your creatine supplement. Unlike other creatine powders on the market, this one should last you for several months because it contains 240 5-gram servings, and at a really reasonable price. Because it's micronized (processed to improve solubility), this supplement dissolves easily in water, juice, or any other liquid. The only potential downside is that the tub doesn't come with its own scooper. That said, you can use a rounded teaspoon as a serving size.