Klean Athlete Ashwagandha supplement bottle
Klean Athlete

Ashwagandha Review

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · 6 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
98
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Ashwagandha (Withania somnifera) extract (root) 500 mg
Bioavailability Excellent

Absorption Rating

  • Ashwagandha (Withania somnifera) extract (root) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Capsule (Hydroxypropyl Methylcellulose)
Efficacy Excellent

Dosage Analysis

  • Ashwagandha (Withania somnifera) extract (root) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Ashwagandha (Withania somnifera) extract (root) 500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Capsule (Hydroxypropyl Methylcellulose) Safe

It provides a vegetarian encapsulation option.

Brand Trust Report
Klean Athlete

Founded 2012 · Pittsburgh, Pennsylvania, United States · 15 products · kleanathlete.com/

Certifications

6 certifications
Nsf Certified For Sport Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
NSF Certified for Sport Verified
NSF Contents Certified Verified
NSF Certified Verified

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Klean Athlete Ashwagandha a good supplement?

Klean Athlete Ashwagandha received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Klean Athlete, holds a brand trust score of 98/100 with 6 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Nsf Gmp, NSF Certified for Sport.

What are the ingredients in Klean Athlete Ashwagandha?

Klean Athlete Ashwagandha contains 1 active ingredients: Ashwagandha (Withania somnifera) extract (root) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Klean Athlete Ashwagandha safe to take?

Klean Athlete Ashwagandha has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Klean Athlete a trustworthy supplement brand?

Klean Athlete receives a brand trust score of 98/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 15 products in their lineup. They hold 6 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Nsf Gmp, NSF Certified for Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.