Klean Athlete Klean Creatine
The athlete-first NSF option. Every Klean Athlete product is NSF Certified for Sport—clean single-ingredient creatine monohydrate for tested athletes, though at the highest cost per serving in the group.
Our Verdict
NSF Certified for Sport from the Klean Athlete line. Clean single-ingredient formula but highest cost per serving (~$0.55) with no micronized or Creapure specification.
Score Breakdown
Pros & Cons
✓ Pros
- •NSF Certified for Sport
- •Clean single-ingredient formula
- •Trusted athlete brand
- •Compact container
- •No fillers or additives
✗ Cons
- •Highest cost per serving (~$0.55)
- •Not micronized (specified)
- •No Creapure sourcing
- •Only ~63 servings per container
Specifications
| Form | Creatine monohydrate |
| Dose | 5g per scoop |
| Servings | ~63 (315g) |
| Testing | NSF Certified for Sport |
| Weight | 11.1 oz |
Who Is This For?
Best For
- ✓Tested athletes needing NSF
- ✓Clean-label priority
- ✓Compact storage needs
Not For
- ✗Budget shoppers
- ✗High volume users
- ✗Those wanting Creapure or micronized
Where to Buy
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Alternatives to Consider
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The Creapure + NSF gold standard. Momentous exclusively sources from Creapure with NSF Certified for Sport testing—'excellent solubility & zero taste' makes it the cleanest-mixing premium creatine available.
Ascent Clean Creatine Monohydrate Powder
Ascent
100% Creapure with Informed Sport certification. Ascent tests every batch for banned substances and purity—100 servings at a slightly better cost per serving than Momentous.
Thorne Creatine Monohydrate
Thorne
The micronized NSF standard. Thorne's explicitly micronized creatine monohydrate is NSF Certified for Sport—trusted by pro athletes for purity and better dispersion in water.
BulkSupplements Creatine Monohydrate Powder
BulkSupplements
The value king. BulkSupplements delivers micronized creatine at ~$0.18/serving—best cost per serving in the top 5. Third-party tested with pure single-ingredient formula, though no named certification program.