Sunday, December 19, 2010

Fortified Orange Juice a Good Source of Vitamin D

Vitamin D deficiency is increasingly in the news related to numerous health problems from brittle bones, heart disease, general fatigue, and in recent asthma. The researchers found that vitamin D fortified orange juice can be just as good sources of vitamins, supplements like oral capsules.
This is good news, the dependence on sunlight as a major source of vitamin D is often impractical, especially in northern latitudes in winter. In southern latitudes, people encouraged to use sunscreen and avoid the sun to prevent skin cancer.
Knowing that many people do not drink milk every day, but often drink orange juice with your breakfast, Dr. Michael Holick of Boston University School of Medicine and his colleagues are studying whether vitamin D, as the bioavailability of orange juice as well as from supplements. Their results were published in the April issue of American Journal of Clinical Nutrition.
The milk was fortified with vitamin D since the 1930s. Orange juice has only vitamin D was added in recent years after a preliminary study by Holick offered OJ can be an effective way to deliver vitamin D. Minute Maid and Tropicana can be found with vitamin D added.
Holick and colleagues conducted a randomized, placebo-controlled, double-blind study with healthy adults aged 18-84 years (15-20/group), who received 1,000 IU of vitamin D3, 1,000 IU of vitamin D2, or placebo in orange juice or capsules for 11 weeks in late winter.
More than half (64%) of the subjects began to study vitamin D deficiency (ie 25-hydroxyvitamin D [25 (OH) D]) concentration <20 ng / ml). Within 11 weeks, the level of those who received vitamin D has increased significantly. There was no significant difference in growth regardless of the vitamin was consumed in juice or capsule form.
Participants who received the placebo, as demonstrated no improvement in their levels of vitamin D.
Natural food sources of rare - mostly just oily fish and mushrooms. Government regulation now allow only 100 IU of vitamin D to be added to portions of food and drink. It is not enough if you are not vitamin D, so that you may need to take a capsule supplements to get the therapeutic amount (ie, 2,000 IU per day for adults and 1,000 IU for children).
If possible, try to get from 15 to 20 minutes of sunlight daily walks in the sun unprotected hands sunscreen. Use a sunscreen for the rest of your sun exposed time outdoors.

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