NattoStim Review

Master Supplements NattoStim 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 2 active ingredients with 30 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Master Supplements, holds a brand trust score of 92/100 with 5 verified certifications including Informed Sport, Gluten Free Gfco, Non Gmo Project, Usda Organic.

Master Supplements NattoStim contains 2 active ingredients: Enzyme Blend (200 mg), Proprietary AstraZyme Blend (25 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Master Supplements NattoStim 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.

Master Supplements receives a brand trust score of 92/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2002 and headquartered in Victoria, MN, United States, the company offers 12 products in their lineup. They hold 5 verified certifications including Informed Sport, Gluten Free Gfco, Non Gmo Project, Usda Organic. 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.