D3 Serum 5,000 IU Review

Premier Research Labs D3 Serum 5,000 IU received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 114 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Premier Research Labs, holds a brand trust score of 72/100 with 3 verified certifications including NSF Certified, USDA Organic, Non-GMO Project Verified.

Premier Research Labs D3 Serum 5,000 IU contains 1 active ingredients: Vitamin D3 (125 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Premier Research Labs D3 Serum 5,000 IU 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.

Premier Research Labs receives a brand trust score of 72/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 29 products in their lineup. They hold 3 verified certifications including NSF Certified, USDA Organic, Non-GMO Project Verified. 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.