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Vitamin D3 1000 IU
Vitamin D3 is not only important for proper absorption of calcium and the maintenance of bone health, but also for maintaining healthy joints, cognition, a healthy cardiovascular system, and healthy moods.*
Vitamin D3 is critical to our health. We know that it helps the body absorb calcium that is an essential component for healthy bones (1). It has been recognized for some time that low levels of vitamin D3 have been linked to osteoporosis and other bone diseases, but more and more studies are providing evidence that vitamin D3 seems to have a role in maintaining healthy blood pressure and cardiovascular system (2), and in preventing many other diseases including a number of cancers, particularly colorectal cancer (3) and reduce the symptoms of depression.
The striking fact is that there are receptors for vitamin D3 in almost every cell in the body. Evidence suggests that the vitamin helps the immune system function and even regulates cell growth. This could explain why it may have such pervasive salutary effects on our health.
Unfortunately, vitamin D3 is not found naturally in many foods, so most of our vitamin D3 is produced in our bodies by the action of sunlight on our skin.
As people age, however, they often lose the ability to make vitamin sufficient Vitamin D3 in their skin from sunlight. Low levels of vitamin D3 are thus more common in older people, BUT the problem is not limited to any one population.
Ask your doctor to do a simple blood test for 25-hydroxyvitamin D [25(OH)D] that will provide the best measure of your vitamin D3 status. A 25(OH)D level of 30-50 ng/ml is currently thought to be optimal. Supplement as needed with a daily multivitamin with adequate levels of vitamin D3 and then additional vitamin D3 as needed. Note: Look for the terms vitamin D3 or cholecalciferol on supplement labels. The D2 form of the vitamin, sometimes called ergocalciferol, though widely used in fortification and supplements, is less potent, and is artificially derived.
(1) Yao Pang, et.al., Vitamin D and Calcium for the prevention of fracture. A systematic review and meta-analysis. JAMA Network Open. 2019;2(12):e1917789. (DOI:10.1001/jamanetworkopen.2019.17789)
(2) Ohio University. "Vitamin D3 could help heal or prevent cardiovascular damage." ScienceDaily. ScienceDaily, 30 January 2018.
(3) McCullough ML. et.al., Circulating vitamin D and colorectal cancer risk: an international pooling project of 17 cohorts. JNCI J Natl Cancer Inst (2019) 111(2): djy087 ( DOI: 10.1093/jnci/djy087 )
(4) Spedding Simon. Vitamin D and depression: a systematic review and meta-analysis comparing studies with and without biological flaws. Nutrients 2014, 6, 1501-1518 ( DOI:10.3390/nu6041501)
*All statements above have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.