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

• Vitamin D3 (cholecalciferol)

• Better vitamin D status

• Supports calcium absorption

• Supports bone structure

• Supports immune health

Best for
Those seeking to maintain healthy vitamin D levels year-round.

Jarrow Formulas

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Jarrow Formulas is one of the longest-established and most respected supplement companies in the industry. Founded in 1977, the brand has built its reputation on research-driven formulations, premium ingredients and innovative nutritional solutions designed to support health and wellbeing.

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