Klean-D NSF Certified for Sport 25 mcg (1000 IU) Review

Klean Athlete Klean-D NSF Certified for Sport 25 mcg (1000 IU) 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 with 100 servings per container. All 4 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.

Klean Athlete Klean-D NSF Certified for Sport 25 mcg (1000 IU) contains 1 active ingredients: Vitamin D3 (as cholecalciferol) (1000 IU) (25 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Klean Athlete Klean-D NSF Certified for Sport 25 mcg (1000 IU) has been analyzed for ingredient safety across all its components. All 4 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.

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.