Source Naturals Vitamin D-3
Sunlight is a source of life on Earth, but we may not be aware of all the ways it benefits us. Our bodies manufacture vitamin D-3 when the skin is exposed to UV radiation from sunlight, but the ability to do so decreases as we age. Vitamin D-3 helps maintain healthy calcium and phosphorus levels in the body for strong bones, it supports increased muscle strength in older adults; and it also plays an active role in a healthy immune response. Vitamin D-3 (cholecalciferol) is the optimal form of vitamin D, it is the form of vitamin D that the body manufactures in sunlight, and the form most efficient for the body''s needs.
HYPOALLERGENIC: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt preservatives, or artificial color, flavor or fragrance.