The recommended dietary allowances for vitamin D, per the Food and Nutrition Board, is 15 ug/day for children and adults, with those over the age of 70 needing 20 ug/day and infants needing just 10 ug/day. There is some contention as to the level required to be considered vitamin D deficient. The classic diseases of vitamin D deficiency are rickets and osteomalacia. Beyond lack of exposure to sunlight or consumption of vitamin D, those with kidney problems or malabsorption issues, especially problems absorbing fat, might have a high risk of deficiency.
– Modulation of key genes for body processes The key areas vitamin D plays a physiological role in are: Although the umbrella review did not find highly convincing evidence, it did find suggestive evidence for a correlation between vitamin D levels and a variety of health outcomes, especially in specific populations.Ĭonditions to which a link with vitamin D has been found include musculoskeletal disorders including osteoporosis, cancer, autoimmune disorders, metabolic disorders, diabetes, heart disease, Alzheimer’s disease, and infectious disease. This demonstrates the sheer volume of literature out there. An umbrella review in 2014 found 74 meta-analyses of observational studies, 87 meta-analyses of randomized controlled trials, and 107 systematic literature reviews that explored the relationship between vitamin D and 137 different health outcomes. For the past decade, study after study has demonstrated the numerous benefits of this vitamin, which is actually a hormone. Unless you are just starting your foray into health and nutrition, you probably already know a lot about vitamin D. New research points to vitamin K as one of vitamin D’s important partners, especially in terms of bone and cardiovascular health. Before we jump into the literature to see the synergy between the two, let’s review the highlights of each vitamin.
It works in connection with many other important nutrients in the body. However, vitamin D does not act alone to provide those benefits. The literature surrounding the numerous health benefits of vitamin D is so convincing that it has become routine to test for insufficiency and deficiency and supplement as needed.
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