Vitamin D 400 IU 250 Sgels Review

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(More customer reviews)This bottle of Vitamin D contains 250 softgels, each containing 400 international units of Vitamin D3. The bottle is sealed at the top and is mostly light impervious. I have ordered many products from Swansons and have not been disappointed with their packaging or quality.
Vitamin D is a fat-soluble vitamin (the others are A, E, and K) that is used by the body in the absorption of calcium and phosphorus. The primary function of Vitamin D is to promote the body's absorption of calcium, a mineral which is essential for the normal development and maintenance of healthy teeth and bones. Calcium is also important in other areas of the body. Vitamin D helps maintain adequate blood levels of calcium and phosphorus.
A vitamin D deficiency can lead to osteoporosis (weak porous bones) in adults or rickets (inconsistent bone growth with weak deformed bones) in children. Since our milk supply is fortified with Vitamin D, rickets is extremely rare today. However, with women and men living to advanced ages these days, getting enough Vitamin D is essential to good bone health in seniors. It is not enough to just take calcium supplements, as calcium will not be absorbed without the synergistic effect of Vitamin D.
Excessive doses of vitamin D can result in increased calcium absorption from the intestinal tract. This may cause increased calcium resorption from the bones, leading to elevated levels of calcium in the blood. Elevated blood calcium may then cause calcium deposition in soft tissues such as the heart, kidneys, and lungs. This can reduce their ability to function. Kidney stones, vomiting, and muscle weakness may also occur due to the ingestion of too much vitamin D.
The current recommended daily allowance for Vitamin D (for people aged 7 to 50 is 200 International Units (IU). People over the age of 50 may take 400 IU's daily), and those over 70 can take 600 IU's daily. The RDA's of Vitamin D is currently being evaluated, with many nutritionists advising larger daily doses of the vitamin. There is also (newer) research which suggests that Vitamin D may prevent cancer.
Vitamin D is also known as the "sunshine vitamin" because the body manufactures the vitamin after being exposed to sunshine. Ten to 15 minutes of sunshine just three times weekly is adequate to produce the body's requirement of vitamin D. By the way, getting too much sunshine will NOT cause an overdose of Vitamin D.
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