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Calcium Vitamin D

The calcium vitamin D combination is commonly recommended calcium-vitamin_d | Articleby doctors and nutritionists for people looking to maintain or build strong bones.  Calcium is a poorly absorbed mineral found in many foods.  Vitamin D is less familiar.  According to a recent National Institutes of Health (NIH) fact sheet: “Vitamin D is a fat-soluble vitamin that is naturally present in very few foods, added to others, and available as a dietary supplement. It is also produced endogenously when ultraviolet rays from sunlight strike the skin and trigger vitamin D synthesis.  Vitamin D obtained from sun exposure, food, and supplements is biologically inert and must undergo two hydroxylations in the body for activation. The first occurs in the liver and converts vitamin D to 25-hydroxyvitamin D [25(OH)D], also known as calcidiol. The second occurs primarily in the kidney and forms the physiologically active 1,25-dihydroxyvitamin D [1,25(OH)2D], also known as calcitriol.”

Calcium and Vitamin D in Our Diet
Milk producers in the United States were the first to offer ample amounts of the calcium vitamin D duo in a food staple.  A cup of milk contains 40% of the U.S. government’s recommended daily value (%DV) of calcium (the lactate form) and 25% of the %DV of vitamin D.  Dairy may not suitable for people who are lactose intolerant or concerned about calories. Ounce for ounce, whole milk has more calories and fat than soda.

You can now find calcium vitamin D additions in orange juice, calcium-vitamin_d | Articlecereals, even cookies.  These two nutrients have good consumer appeal, reducing the guilt towards convenience or less healthy foods. The combination also addresses a serious health concern.  In 2001, the NIH declared a calcium crisis in America.  According to agency statistics and those from the US department of Agriculture, only 13.5 percent of girls and 36.3 percent of boys age 12 to 19 in the United States consumed the recommended 1000 mg of calcium daily.  New research also suggests that Americans of all ages are highly deficient in vitamin D.

Today, it is hard to find bone health supplements that don’t contain these two nutrients, with good reason.  Researchers continue to uncover synergistic benefits from calcium vitamin D intake.  For example, recent Meta-analyses, published in leading medical journals such as the Lancet and Osteoporosis International, have found long term bone benefits when the two nutrients are consumed together.  Nearly all calcium supplements add vitamin D; most provide 400 IU daily.  Premium brands, such as AdvaCAL Intensive, deliver 1700 IU of vitamin D3 daily.

Vitamin D increases calcium absorption in the gut. If more calcium is absorbed calcium-vitamin_d | Articlethan is needed in the blood, some of excess goes towards stabilizing bone density.   Vitamin D can even enhance the performance of calcium forms that build bone density on their own, such as AdvaCAL. To ensure adequate blood calcium levels and bone support, follow a daily regimen with ample calcium vitamin D intake.