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Vitamin E is a group of eight compounds related in molecular structure that includes four tocopherols and four tocotrienols. The tocopherols function as fat-soluble antioxidants which may help protect cell membranes from reactive oxygen species. Vitamin E is classified as an essential nutrient for humans.
The RDA is based on the α-tocopherol form because it is the most active form as originally tested. Vitamin E supplements are absorbed best when taken with meals. [17] The U.S. Institute of Medicine has set an upper tolerable intake level (UL) for vitamin E at 1,000 mg (1,500 IU) per day. [18]
Countries establish tolerable upper intake levels, also referred to as upper limits (ULs), based on amounts that cause adverse effects. Governments are slow to revise information of this nature. For the U.S. values, except calcium and vitamin D, all data date from 1997 to 2004. [17]
Here are 20 potassium-rich foods: Bananas “One banana provides about 10 to 15% of the daily value and also packs magnesium and vitamin B6, other nutrients that support healthy muscle and nerve ...
The U.S. Food and Nutrition Board sets Tolerable Upper Intake Levels (known as ULs) for vitamins and minerals when evidence is sufficient. ULs are set a safe fraction below amounts shown to cause health problems. ULs are part of Dietary Reference Intakes. [85] The European Food Safety Authority also reviews the same safety questions and set its ...
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.
From salmon to fortified plant-based milk, these foods can help you meet your daily vitamin D requirements and support your overall health. Read the original article on Eating Well . Show comments
Vitamin Food source 1913: Vitamin A (Retinol) Cod liver oil: 1910: Vitamin B 1 (Thiamine) Rice bran: 1920: Vitamin C (Ascorbic acid) Citrus, most fresh foods 1920: Vitamin D (Calciferol) Cod liver oil 1920: Vitamin B 2 (Riboflavin) Meat, dairy products, eggs: 1922: Vitamin E (Tocopherol) Wheat germ oil, unrefined vegetable oils 1929: Vitamin K ...