Spirulina Powder

Frontier Co-op Spirulina Powder 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 120 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Frontier Co-op, holds a brand trust score of 81/100 with 3 verified certifications including Non Gmo Project, Usda Organic, Fda Gmp Inspections.

Frontier Co-op Spirulina Powder contains 1 active ingredients: Vitamin D3 (50 mcg). Notable high-dose ingredients include Vitamin D3 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Frontier Co-op Spirulina Powder has been analyzed for ingredient safety across all its components. All 3 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.

Frontier Co-op receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1976 and headquartered in Norway, Iowa, USA, the company offers 112 products in their lineup. They hold 3 verified certifications including Non Gmo Project, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Frontier Co-op has 2 historical regulatory incidents on record, which are factored into the trust score.