![]() Most people will have higher vitamin D levels during warmer months due to intentional or unintentional sun exposure. There are very few food sources (fatty fish, cod liver oil, fortified milk and fortified cereals) of vitamin D. Avoidance of UV exposure has led to an epidemic of low vitamin D levels. Vitamin D levels in humans vary dramatically by season, latitude and race. Of interest, most lifeguards and people that live near the equator (where UVB light is most prevalent) have vitamin D levels around 100 ng/ml. “Toxicity” does not begin until your vitamin D level hits at least 150 ng/ml. ![]() Vitamin D “deficiency” is a level less than 20 ng/ml. “Insufficiency” is generally defined by a level less than 30 ng/ml. The only way to know your vitamin D level is to have a blood test known as 25 hydroxyvitamin D. How do I know if I need to take supplemental vitamin D? In addition, decreased outdoor activity and obesity are associated with vitamin D insufficiency. ![]() Sunscreen with a sun protection factor (SPF) of 15 decreases vitamin D synthesis by 99 percent. The most significant factor is the increased use of sunscreen. There are two primary reasons why most of us lack vitamin D, according to the authors of the Archives of Internal Medicine article. 2015, found that vitamin D3 absorption increased by 32 percent when taken with a meal where 30 percent of the calories in the meal came from fat. Should I take Vitamin D3 25 mcg (1000 IU) Supplement with or without food?Ī study published in the Journal of the Academy of Nutrition and Dietetics, Feb. If you would like a copy of a Certificate of Authenticity for a specific product or to learn more about our testing process and results, please contact us at or call us at 888.393.2221 9 a.m. The daily recommended serving is one softgel with a meal.Ĭooper Complete products are verified, and lot tested. Original and Basic One multivitamins contain 50 mcg (2000 IU), while the Multivitamin Gummy provides 25 mcg (1000 IU) in four gummies.Įach bottle contains 60 softgels. This supplement is for individuals who need higher levels of vitamin D supplementation than the amount of vitamin D3 in Cooper Complete multivitamins. ![]() Vitamin d3 50 mcg skin#
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