Optimum Nutrition Micronized Creatine Powder, Unflavored, 300 g (60 Servings)
5 g of creatine monohydrate per serving
$17.97
In stock · price checked November 12, 2026
Free shipping on orders over $35
60 servings · $0.30 per 5 g serving
Informed Choice
Informed Choice buys samples from shops at least monthly and has them tested for drugs banned in sport.
Buy nowOur take
This is Optimum Nutrition's unflavored micronized creatine: one rounded teaspoon is 5 g of creatine monohydrate and the label lists nothing else.
Our testing list shows this tub on Informed Choice, and the label carries the seal.
Pick it if you want a major-brand tub with a banned-substance testing mark on the label. NSF Certified for Sport options are below.
Key facts
| Creatine per serving | 5 g (1 rounded teaspoon) |
|---|---|
| Form | Micronized creatine monohydrate powder, unflavored |
| Size | 300 g (10.6 oz), 60 servings |
| Testing | Informed Choice, with its seal on the label |
| How to take it | 1 rounded teaspoon (5 g) in a shake or a drink |
| Made for | Glanbia Performance Nutrition (NA), Inc. (label: "Manufactured for"); packaged in the USA |
| UPC | 748927023848 |
Common questions
How much Optimum Nutrition Micronized Creatine do I take?
The label says 5 g (1 rounded teaspoon) a day, stirred into a protein shake or a glass of your favorite drink.
Is Optimum Nutrition creatine tested for banned substances?
Yes. It is on Informed Choice, a program that buys samples from shops at least monthly and tests them for drugs banned in sport. The label carries the Informed-Choice seal. If your sport names NSF Certified for Sport, see the tested tubs below.
How much does Optimum Nutrition creatine cost a serving?
$17.97 on November 12, 2026 buys 60 servings, so each 5 g teaspoon costs $0.30. For comparison, a BulkSupplements scoop was $0.20 and a Thorne scoop was $0.49.
Does it have flavors or fillers?
No. The label lists only creatine monohydrate, and the tub is unflavored.
