Vitamins D and K with Sea Iodine Review

Life Extension Vitamins D and K with Sea Iodine 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 3 active ingredients All 7 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Life Extension, holds a brand trust score of 87/100.

Life Extension Vitamins D and K with Sea Iodine contains 3 active ingredients: Vitamin D3 (as Cholecalciferol) (5000 IU), Vitamin K (2100 mcg), Iodine (as Sea-Iodine Complex Blend) (1000 mcg). Notable high-dose ingredients include Vitamin D3 at 1250% DV, Vitamin K at 2625% DV, Iodine at 667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

GoodSupp reviewed the inactive-ingredient data available for Life Extension Vitamins D and K with Sea Iodine. All 7 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Life Extension receives a brand trust score of 87/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Fort Lauderdale, Florida, USA, the company offers 700 products in their lineup. Note: Life Extension has 3 historical regulatory incidents on record, which are factored into the trust score.

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