http://www.w3.org/ns/prov#value | - Long known for its key role in building strong bones, vitamin D3 is also linked to many other key functions in optimizing health, including the regulation of the immune and neuromuscular systems, and the modulation of mood and circadian rhythms.* Vitamin D3 (or cholecalciferol) is the form of vitamin D that the body makes from sunlight, and experts agree that supplements containing the D3 form are
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