Vitamin D3 is the body’s preferred form of Vitamin D. Sometimes called the “sunshine vitamin” because it is produced in the skin in response to sunlight, Vitamin D is an essential vitamin for many metabolic processes. Vitamin D3 helps to regulate the absorption of calcium and phosphorus, and supports healthy immune system function.* California Gold Nutrition Vitamin D3, 125 mcg (5,000 IU) features Vitamin D3 as Cholecalciferol from Lanolin in Fish Gelatin Softgels.
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