Each D3 drop provides 1,000 IU of vitamin D3 (cholecalciferol), which is the naturally occurring form of vitamin D made when sunlight strikes the skin. It has been shown to offer superior bioavailability compared to vitamin D2 (ergocalciferol). This fat-soluble vitamin is suspended in a medium chain triglyceride (MCT) base. MCT consists of stable fatty acids that enhance the absorption of fat-soluble nutrients.
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