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More About Vitamin D

The sunshine vitamin

Vitamin D is referred to as a fat-soluble vitamin, but this nutrient is actually a group of fat-soluble secosteroids, which are natural substances similar to steroids but with a particular structural difference. Two of these secosteroids, cholecalciferol (vitamin D-3) and ergocalciferol (vitamin D-2), are important for our health.

There aren’t a lot of foods high in vitamin D. Our primary source of natural vitamin D, cholecalciferol, is actually synthesized by our bodies from cholesterol in sun-exposed skin, earning it the nickname “The Sunshine Vitamin”. Some dietary sources of vitamin D-3 are fatty fish and egg yolks.  The other relevant form of vitamin D, ergocalciferol, is found primarily in fungus, lichen and a few plants such as alfalfa. Both forms are beneficial for human health.


Vitamin D’s benefits

Vitamin D enhances intestinal absorption and metabolism of the dietary minerals calcium, magnesium, phosphate and zinc, and therefore plays a crucial role in skeletal health. Low levels of vitamin D have been associated with low bone mineral density.

Vitamin D also supports healthy immune system function, and recent research shows that it may play a role in normal cardiovascular function as well.


The NOW® Difference

For more than 45 years NOW has been empowering people to lead healthier lives with our award-winning dietary supplements and natural products.

We know you have a lot of brands to choose from when it comes to dietary supplements. When you choose NOW you’re choosing one of the industry’s oldest and most established manufacturers. We’ve fostered long-standing relationships with the world’s top ingredient suppliers, and we source only premium quality ingredients for all NOW products, including our vitamin D supplements.

With our state-of-the-art, in-house laboratory facilities and more than 100 experts focused on ensuring our products meet our industry-leading commitment to quality, you can trust NOW for all your supplement needs.

Now that you know what vitamin D can do for you, are you ready to get the best vitamin D supplement for your needs? NOW has you covered.

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