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Vitamin D3 is cholecalciferol. It is a compound with the formula C27 H43 OH that is found in fish liver oil and egg yolks. Vitamin D3 is formed on the skin when the skin is exposed to sunlight.

Vitamin D3, also known as cholecalciferol, is a form of vitamin D that the body manufactures when skin is exposed to UV radiation from the sun. It’s converted from food sources and sunlight into its active form, calcitriol, by the liver and kidneys.

Vitamin D3 stimulates the absorption of calcium from the small intestine, and the reabsorption of calcium from the kidneys. A major function of calcium is building and maintaining bones and teeth.  Vitamin D decreases parathyroid hormone (PTH) levels, which decreases the amount of calcium released from bone. This is important for maintaining bone density.

Some of the popular Vitamin D3 products include

Vitamin D-3 120 & 240 Sgels 2000 IU

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Now Foods Vitamin D softgels supply this key vitamin in a highly absorbable liquid softgel form.  Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun.  However, it is not abundant in food.  As more people avoid sun exposure, Vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply.

Vitamin D-3 & K-2 120 VCAPS 45 mcg

Vitamin-D-3-K-2-75313

Now Foods combines two nutrients extensively researched for their benefits for the bones, teeth and cardiovascular system. Vitamin D3 promotes calcium absorption and calcium transport to bones.  Recent studies indicate that Vitamin D3 may support healthy insulin action and glucose metabolism and may have a positive impact on immune function.  Vitamin K2, likewise, is beneficial in the areas of bone and cardiovascular health. Vitamin K is critical for the formation of healthy strong bone matrix.  Bone quality is dependent on the presence of adequate Vitamin K. Vitamin K’s role in arterial health revolves around its ability to support proper calcium metabolism in vascular structures.  Vitamin K2 is the most biologically active form of Vitamin K.

Vitamin D-3 360 Softgels 1,000 IU

Vitamin D-3 360 Softgels 1,000 IU

Now Foods Vitamin D-1000 softgels supply recommended levels of this key vitamin in a highly absorbable liquid softgel form.  Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun.  However, it is not abundant in food.  As more people avoid sun exposure, Vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply.

Liquid Vitamin D-3 2 OZ

Liquid Vitamin D-3 2 OZ

Now Foods Liquid Vitamin D-3 drop contains 100 IU of Vitamin D: 4 drops provide 400 IU, 20 drops provide 2,000 IU. A full dropper provides approximately 50 drops, or 5,000 IU.

Vitamin D-3 180 Chewables 1000 IU

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Now Foods Chewable Vitamin D-1000 supplies recommended levels of this key vitamin in a tasty chewable form. Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun. However, it is not abundant in food. As more people avoid sun exposure, Vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply.

Nature’s Way Vitamin D-3 120 Softgels 2000 IU

Vitamin D-3 120 Softgels 2000 IU

Healthy bones need vitamin D to properly use calcium and phosphorus. Vitamin D helps regulate calcium and phosphorus absorption through the intestines, reduces kidney excretion of calcium, and regulates the amount of calcium in the bones.

Nature’s Way Vitamin D has been shown to enhance healthy cell replication and division, as well as influencing healthy glucose metabolism.

Os-Cal Calcium Plus Vitamin D-3 75 caplets 500 mg

Os-Cal Calcium Plus Vitamin D-3

Os-Cal Calcium+D3 The effectiveness of Os-Cal was demonstrated in a clinical study and Os-Cal Calcium + D3 has the added benefit of (200 IU) Vitamin D3, which helps the body absorb calcium.

The calcium in Os-Cal Calcium + D3 is calcium carbonate – the most concentrated form of calcium salt.

Sundown Naturals Vitamin D-3 With Vitamin A & D 100 sgels 400 IU

Sundown Naturals Vitamin D-3

Sundown Naturals Vitamin D assists in maintaining a healthy immune system and helps maintain strong bones and teeth by enhancing the absorption of Calcium and Phosphorus. Since lack of exposure to sunlight may reduce Vitamin D levels in the body, especially in winter, it may be important to supplement in order to contribute to your overall Vitamin D intake. Our easy-to-swallow softgels provide high-potency Vitamin D along with a good source of Vitamin A.

Click on the following link for Vitamin D3 Health Products

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