Jarrow Formulas Vitamin D3 provides cholecalciferol, the same form of vitamin D produced by the skin through sunlight exposure. Vitamin D3 may improve vitamin D status more effectively than vitamin D2 and is converted by the body into calcitriol as needed to support calcium absorption, bone health, and immune function.
Key Features
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Vitamin D3 (cholecalciferol)
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Better vitamin D status
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Supports calcium absorption
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Supports bone structure
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Supports immune health
Best for
Those seeking to maintain healthy vitamin D levels year-round.