Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets supplement bottle
Klean Athlete

Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets

What We Researched
5 active ingredients analyzed · 10 inactive ingredients decoded · 3 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair
87
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
D-Ribose 1.67 g *
Bioavailability Excellent

Absorption Rating

  • D-Ribose Good
Other Ingredients Excellent

Fillers & Additives

  • Xylitol
  • Microcrystalline Cellulose
  • Hydroxypropryl cellulose
  • Silica
  • Natural Orange Flavor
  • Vegetable Stearate
  • Citric Acid
  • Mannitol
  • Stearic Acid
  • Carnauba wax and natural vanilla flavor
Efficacy Very Poor

Dosage Analysis

  • D-Ribose 1.67 g Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 2 g <1%
Total Sugars 1.67 g
Sugar Alcohol 0.5 g
D-Ribose 1.67 g *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Microcrystalline Cellulose Safe

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

Hydroxypropryl cellulose Unknown
Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

Vegetable Stearate Safe

Prevents ingredients from sticking to equipment.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Carnauba wax and natural vanilla flavor Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$55$54$53$52$51 Mar 12 $52.80
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Klean Athlete

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

Certifications

3 certifications
Nsf Certified For Sport Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets a good supplement?

Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 90 servings per container. Of the 10 inactive ingredients, 7 are rated safe and 0 are flagged for review. The manufacturer, Klean Athlete, holds a brand trust score of 87/100 with 3 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets?

Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets contains 5 active ingredients: Calories (10), Total Carbohydrate (2 g), Total Sugars (1.67 g), Sugar Alcohol (0.5 g), D-Ribose (1.67 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets safe to take?

Klean Athlete Klean Endurance - NSF Certified for Sport Natural Orange Vanilla, 90 Chewable Tablets has been analyzed for ingredient safety across all its components. 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 87/100 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 3 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Nsf Gmp. 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. 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.