Life Extension  Vitamin D3 Perspective: Main

Life Extension Vitamin D3

1000 IU - 90 SoftgelsUPC: 0073787017539
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Vitamin D3 can be synthesized by humans in the skin upon exposure to ultraviolet-B (UVB) radiation from sunlight. But, due to the winter season, weather conditions, and sun block, the body’s ability to produce optimal vitamin D levels may be inhibited. These factors point to the value of taking a daily vitamin D supplement.