SupplementsUpdated June 2026

Optimum Nutrition Micronized Creatine

Optimum Nutrition's micronized creatine is the most widely used creatine supplement globally — micronized to reduce particle size for better dissolution and absorption. Informed Sport certified (third-party batch tested), 100% creatine monohydrate with no additives, and available in the largest variety of sizes from…

Reviewed by
HealthRankings editors
Evidence
Limited
Overall score9.4/10Excellent
Price$30Budget
HSA / FSACheck with provider
EvidenceLimited
Quick take

What we loved& what to know.

Strengths

  • Informed Sport certified (third-party batch tested)
  • Micronized for better dissolution
  • 100 servings under $25 — best price/quality ratio
  • Most widely available
  • 400 serving bulk option
  • No fillers
  • Not Creapure (US-manufactured)
  • Unflavored only in bulk sizes
  • Lower purity spec than Creapure (still excellent)

Tradeoffs

  • Not Creapure (US-manufactured)
  • Unflavored only in bulk sizes
  • Lower purity spec than Creapure (still excellent)
Real-world usage

Living with the Optimum Nutrition Micronized Creatine.

Practical considerations for daily operation.

Daily routine

Designed to slot into a typical morning health-check routine without friction.

Learning curve

Plan a short learning curve to get a feel for the device's prompts and ideal positioning.

Maintenance

Keep the unit clean and store it in a dry case to preserve accuracy long-term.

Portability

Best kept on a counter or shelf at home; not engineered for daily commuting.

Manual / offline use

App access unlocks history and trend tracking, but on-device readouts cover daily use.

Hands-on notes

Deep dives.

At a Glance

Optimum Nutrition's micronized creatine is the most widely used creatine supplement globally — micronized to reduce particle size for better dissolution and absorption. Informed Sport certified (third-party batch tested), 100% creatine monohydrate with no additives, and available in the largest variety of sizes from 60 to 400 servings. The best option for cost-conscious athletes who want quality without the Thorne premium.

How it stacks up

Supplements ranked.

The Optimum Nutrition Micronized Creatine alongside our top picks in supplements.

RankDeviceScore
#1
Thorne Creatine (Creapure)
9.6/10Compare →
#2
Optimum Nutrition Micronized CreatineYou’re reading
9.4/10Current
#3
Klean Athlete Creatine
9.0/10Compare →
#4
BulkSupplements Creatine Monohydrate
8.8/10Compare →
#5
Transparent Labs StrengthSeries Creatine HMB
8.6/10Compare →
9.4/10
Excellent
HealthRankings verdict

The bottom line

Optimum Nutrition's micronized creatine is the most widely used creatine supplement globally — micronized to reduce particle size for better dissolution and absorption. Informed Sport certified (third-party batch tested), 100% creatine monohydrate with no additives, and available in the largest variety of sizes from 60 to 400 servings. The best option for cost-conscious athletes who want quality without the Thorne premium.

How we test

HealthRankings buys, tests, and rates devices independently. Our scoring blends quantitative measurements (accuracy vs reference, sample-to-sample variability, fit testing) with everyday usability and cost. We disclose affiliate links and never accept paid placement in our rankings.

Medical disclaimer:Reviews are for general information only and are not medical advice. Always follow your clinician's guidance for diagnosing or treating health conditions. Read full disclaimer