Optimum Nutrition's capsules give you 2.5g of micronized creatine monohydrate in 2 capsules, 100 servings a bottle. It is one of the most reviewed creatines anywhere, but we found no outside lab test or certification for it.
2.5g of micronized creatine monohydrate in 2 capsules. 200 capsules a bottle, 50 days at the usual 5g. The bottle is $34.99 for 100 servings, about $0.35 each. The limit is that 2.5g a serving, so the standard 5g takes 4 capsules.
Disclaimer: This is an independent editorial analysis. No brand paid for this score.
$0.35 / serving · 100 servings / bottle
Unflavored
2 stores we checked on Oct 28, 2026, best price per serving first. Prices change often, so the price at checkout is the one that counts.
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Lowest price we have written down
The company behind Micronized Creatine Capsules
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How its label, price and reviews stack up against the 16 creatine capsules we rank.
Animal Ready-To-Go Creatine CapsulesAnimal Pak8.8
Creatine CapsulesLegion Athletics8.6Micronized Creatine CapsulesOptimum Nutrition8.3
Creatine Monohydrate CapsulesNutricost8.2
Creatine Monohydrate CapsulesSports Research8.24.7/5
100 reviews at Optimum Nutrition
Next to other creatine capsules. This one is the bright bar.
Cheapest on the left. This one is the bright bar.
Each serving of Optimum Nutrition Micronized Creatine Capsules has 2.5g of creatine monohydrate (2 capsules), more than 27% of the 16 creatine capsules we rank. A bottle holds 100 servings.
No independent test, NSF listing or published lab report found.
The lowest price we found is $34.99 for 100 servings at Amazon, or $0.35 per serving. That's cheaper than 67% of the 16 creatine capsules we rank, where the typical one costs $0.43.
We checked 2 stores on Oct 28, 2026: Optimum Nutrition and Amazon.
Shoppers give Optimum Nutrition Micronized Creatine Capsules an average of 4.7 out of 5 across 100 reviews at Optimum Nutrition. Our Review Scan score for it is 9.2 out of 10.
Optimum Nutrition makes Micronized Creatine Capsules. Its parent company is Glanbia. The brand was founded in 1986 and is based in Downers Grove, Illinois. We rank 8 Optimum Nutrition products, averaging 7.9 out of 10.
We score it 8.3 out of 10, #18 of 61 creatines. Its strongest rating is Review Scan 9.2 and its weakest is Ingredients & Blend 6.8.
Other creatine capsules close to this one on dose, lab proof, and score.
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The rest of the lineup we have ranked from this brand.
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