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Vitamin K has no upper limit, as human data for adverse effects from high doses are not sufficient. [5] In the European Union, adequate intake is defined the same way as in the US. For women and men over age 18 the adequate intake is set at 70 μg/day, for pregnancy 70 μg/day, and for lactation 70 μg/day.
Women ages 19 and older need 90 micrograms of vitamin K per day, and men ages 19 and older require 120 micrograms daily. Most people get enough vitamin K daily, per the National Institutes of ...
Phytomenadione, also known as vitamin K 1 or phylloquinone, is a vitamin found in food and used as a dietary supplement. [6] [7] It is on the World Health Organization's List of Essential Medicines. [8] It is used to treat certain bleeding disorders, [7] including warfarin overdose, vitamin K deficiency, and obstructive jaundice. [7]
Tolerable upper intake levels (UL), to caution against excessive intake of nutrients (like vitamin A and selenium) that can be harmful in large amounts. This is the highest level of sustained daily nutrient consumption that is considered to be safe for, and cause no side effects in, 97.5% of healthy individuals in each life stage and sex group.
The Best Vitamin for People Over 50, According to a Longevity Expert ... go outside. "The body produces vitamin D when the skin is exposed to sunlight, especially UV B rays," Dr. Cooke says ...
There's vitamin K1, which is found primarily in dark leafy greens and serves primarily to clot blood to prevent excess bleeding, Washington, D.C.-based dietitian Caroline Thomason, R.D., tells USA ...