![]() ![]() Vitamin D is absorbed into our bloodstream and converted to the active form (a secosteroidal hormone) and a storage form (25-hydroxyvitamin D) – it functions more like a hormone than a vitamin. Therefore, Americans should supplement their vitamin D intake, especially during winter." Other risk factors for low vitamin D status include darker-pigmented skin color and obesity.īacked by two Shaklee clinical studies and packed full of the "sunshine vitamin" in its most potent form, Shaklee's Vita-D3® raises the levels of vitamin D in your blood to support overall health, bone health, heart health, and immunity.* 3,4 Vita-D3 provides 2,000 IU of high-potency vitamin D3. ![]() "As daylight savings time ends, we have less opportunity to absorb vitamin D through sunlight. doi:10.1097/MD."Vitamin D is produced when sunlight touches our skin, and very few foods in nature contain vitamin D, with fortified foods – primarily cow's milk – being responsible for most of the vitamin D in the American diet," 2 said Jamie McManus, MD, FAAFP, and Shaklee's Chair of Medical Affairs. Effect of vitamin D3 on self-perceived fatigue: A double-blind randomized placebo-controlled trial. Vitamin D toxicity–a clinical perspective. Marcinowska-Suchowierska E, Kupisz-Urbańska M, Łukaszkiewicz J, Płudowsk P, Jones G. ![]() Evidence for the treatment of osteoporosis with vitamin D in residential care and in the community dwelling elderly. The effect of vitamin D3 on blood pressure in people with vitamin D deficiency: a system review and meta-analysis. ![]() Comparison of vitamin D2 and vitamin D3 supplementation in raising serum 25-hydroxyvitamin D status: a systematic review and meta-analysis. Screening for vitamin D deficiency in adults: US Preventive Services Task Force recommendation statement. US Preventive Services Task Force, et al. Vitamin D: fact sheet for health professionals. National Institutes of Health Office of Dietary Supplements. ![]()
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