Vitamin D Overview

Vitamin D is an essential nutrient involved in bone metabolism and calcium use throughout the body. A vitamin D deficiency leads to bone loss, muscle weakness, and loss of balance. Supplemental vitamin D can help prevent falls and fractures in older people. Vitamin D also benefits some forms of psoriasis, and some disorders associated with calcium deficiency. Vitamin D deficiencies are more common than previously thought, especially in older people.

Dosage Information: New research suggests 1,000 IU per day of Vitamin D may be optimal. Cholecalciferol, also known as vitamin D3, is the superior supplemental form.

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