Klean Athlete Creatine
by Klean Athlete
This product has been independently verified for purity and banned substance testing.
Key Findings
- Contains creatine monohydrate — the most researched and clinically validated form
- 5g per serving (meets the clinical standard of 3-5g/day)
- Third-party verified by NSF Certified for Sport
- $0.58 per serving (premium pricing)
Strengths
- NSF Certified for Sport
- Uses Creapure®
- Designed specifically for athletes
- Clean formula
Considerations
- Only 60 servings
- Premium pricing
- Limited availability
Product Specifications
| Type | Monohydrate |
| Form | Powder |
| Servings | 60 |
| Creatine per Serving | 5g |
| Price | $34.99 |
| Cost per Serving | $0.58 |
| Third-Party Testing | Yes — NSF Certified for Sport |
| Ingredients | Creatine Monohydrate (Creapure®) |
Our Analysis
Related Research
Short answer: yes, for healthy adults. Creatine monohydrate is the most studied …
Creatine does not damage healthy kidneys — 30 years of research confirms this. B…
The brain uses 20% of your body's energy. Creatine plays a critical role in brai…
Learn More: Research Guides
Frequently Asked Questions
At $0.58 per serving, Klean Athlete Creatine is moderately priced for its category. Consider your budget and priorities when deciding.
Yes, Klean Athlete Creatine is certified by NSF Certified for Sport, which tests for purity, potency, and banned substances.
Mix one scoop (5g) with 8-12oz of water, juice, or your protein shake. Take daily, preferably post-workout on training days.
Klean Athlete Creatine is rated as "Best for Competitive Athletes" in our analysis. Klean Athlete Creatine is purpose-built for competitive athletes who require the highest level of supplement certification. Using Creapure® creatine monohydrate and carrying the NSF Certified for Sport mark, it meets the strictest testing requirements in professional sports.
Where to Buy Klean Athlete Creatine
We recommend purchasing from authorized retailers to ensure product authenticity.
Prime shipping · Easy returns
Direct from brand · Subscription discounts
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Research Guides
- Is Creatine Safe? What 500+ Studies Actually Prove (2026)
Short answer: yes, for healthy adults. Creatine monohydrate is the most studied sports supplement in history with 30+ years of safety data. Here's what's real, what's myth, and who should actually be cautious.
- Does Creatine Damage Kidneys? What Research Says About Creatine & Kidney Disease
Creatine does not damage healthy kidneys — 30 years of research confirms this. But if you already have kidney disease, the guidelines are different. Here's what every major study actually found.
- Creatine for Brain Health: Cognitive Benefits Explored
The brain uses 20% of your body's energy. Creatine plays a critical role in brain energy metabolism, with promising research on cognition, memory, and neuroprotection.
Browse Categories
- Best Tested/Certified
NSF Certified for Sport and Informed Sport certified creatines. Essential for competitive athletes subject to anti-doping testing.
- Best Premium
High-end creatine supplements with added ingredients, premium sourcing, or enhanced formulas for those who want the absolute best.
- Best Creatine for Older Adults (40+)
Creatine supplements suited for adults over 40 seeking cognitive and muscular benefits. The JISSN position stand (Kreider et al., 2017) highlights that creatine supplementation in older adults improves performance of high-intensity exercise tasks, enhances cognitive processing, and attenuates age-related sarcopenia when paired with resistance training. These third-party tested options prioritize purity and safety for long-term use.
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