Immunity, Vitamin C + D3 & Zinc, 100 Capsules

NutriBiotic Immunity, Vitamin C + D3 & Zinc, 100 Capsules received a product quality score of 89/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 3 active ingredients Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, NutriBiotic, holds a brand trust score of 65/100 with 2 verified certifications including Fda Gmp Inspections, Usda Organic.

NutriBiotic Immunity, Vitamin C + D3 & Zinc contains 3 active ingredients: Vitamin C (as L-ascorbic acid USP-FCC†) (1,500 mg), Vitamin D3 (as cholecalciferol) (5,000 IU) (125 mcg), Zinc (as zinc sulfate) (40 mg). Notable high-dose ingredients include Vitamin C at 1,670% DV, Vitamin D3 at 625% DV, Zinc at 360% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

NutriBiotic Immunity, Vitamin C + D3 & Zinc, 100 Capsules 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.

NutriBiotic receives a brand trust score of 65/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1981 and headquartered in Lakeport, California, United States, the company offers 81 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NutriBiotic has 1 historical regulatory incident on record, which are factored into the trust score.

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The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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