Source Naturals Vitamin D3 1,000 IU 200 Tablets

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$9.49 $12.98


  • Supports the immune system
  • Support for strong bones
  • An important hormone precursor
  • Helps regulate the health of at least 20 different tissues, including the nervous system and joints
  • Plays an important role in regulating cell growth, insulin levels, and bone formation

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 maintains healthy calcium and phosphorus levels in the body for strong bones, it helps maintain 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.*

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