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                      Is Vitamin D Toxic?

                      Published by Life Extension

                      ThinkstockPhotos-505506993

                      Despite the research showing the benefits of higher amounts of vitamin D, many doctors continue suggesting 400 IU daily. The common fear is that higher amounts will result in toxicity.

                      However, a new study conducted by the Mayo clinic may just put these fears to rest. The study found that vitamin D toxicity is, in fact, quite rare.

                      The results were published in the journal, Mayo Clinic Proceedings.

                      Higher Blood Levels of Vitamin D Proved to Be Safe

                      Previous research shows higher amounts of vitamin D protect against age-related diseases including heart disease, cancer, and osteoporosis. Based on these studies, between 5000 to 7000 IU are suggested daily. This dosage generally provides blood levels in the 50–70 ng/ml range.

                      For the current study, the authors took a total of 20,308 vitamin D measurements from the participating individuals. The majority of participants were white and lived in areas that received little sunlight during the winter. Information was collected about vitamin D and calcium supplementation.

                      The Mayo researchers were screening participants for signs of vitamin D toxicity. The primary sign, hypercalcemia, is high blood calcium levels.

                      According to the results of the study, about 8% of participants had vitamin D blood levels above 50 ng/ml. A total of 37 participants (0.2%) had blood levels above 100 ng/ml. Only 4 participants with vitamin D levels over 50 ng/ml had high blood calcium levels.

                      The key finding was that blood levels above 50 ng/ml were not associated with high blood calcium levels or toxicity.1

                      Traditional doctors suggest that blood levels not reach above 30 ng/ml. Around 5000 IU of Vitamin D daily corresponds to a blood level of 50 ng/ml.

                      Don’t be Scared of Taking Higher Amounts of vitamin D

                      Previous fears about vitamin D toxicity are unfounded. The concern is that vitamin D will accumulate to harmful levels in the body, which rarely happens.

                      Nevertheless, there are some individuals that need to be cautious in taking higher amounts of vitamin D. This includes individuals with existing kidney disease.

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                      Life Extension
                      Life Extension
                      LIFE EXTENSION The Life Extension Health News team delivers accurate information about vitamins, nutrition and aging. Our stories rely on multiple, authoritative sources and experts. We keep our content accurate and trustworthy, by submitting it to a medical reviewer. Life Extensionists are people who believe in taking advantage of documented scientific therapies to help maintain optimal health and slow aging. The medical literature contains thousands of references on the use of antioxidant vitamins, weight loss supplements, and hormones that have been shown to improve the quality and quantity of life. Life Extensionists attempt to take advantage of this scientific information to enhance their changes of living longer in good health. This article is posted by permission of Life Extension. https://www.lifeextension.com/

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                      This website is for informational and entertainment purposes only and is not a substitute for medical advice, diagnosis or treatment. FoodTrients – A Recipe for Aging Beautifully Grace O, author and creator of FoodTrients® -- a philosophy, a cookbook and a resource -- has a new cookbook dedicated to age-defying and delicious recipes, The Age Beautifully Cookbook: Easy and Exotic Longevity Secrets from Around the World, which provides one hundred-plus recipes that promote health and well-being. The recipes are built on foundations of modern scientific research and ancient knowledge of medicinal herbs and natural ingredients from around the world. Since the publication of her first anti-aging book, The Age GRACEfully Cookbook, Grace O has identified eight categories of FoodTrients benefits (Anti-inflammatory, Antioxidant, Immune Booster, Disease Prevention, Beauty, Strength, Mind, and Weight Loss) that are essential to fighting aging, which show how specific foods, herbs, and spices in the recipes help keep skin looking younger, prevent the diseases of aging, and increase energy and vitality. Grace O combines more exotic ingredients that add age-fighting benefits to familiar recipe favorites.

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