Vitamin K is an essential nutrient for the clotting of blood and the healthy mineralization of bone. Found in leafy green vegetables, oils and vitamins, most forms of vitamin K have little side effects with moderate overuse. Those with kidney,...
Vitamin B6, also known as pyridoxine, is one of the B-complex vitamins. It is an essential component your body needs for breaking down carbohydrates, proteins and fats. You need it for normal nerve function, to form red blood cells, and to keep...
Vitamin A is a fat-soluble micronutrient that serves several important functions in your body. In addition to supporting your vision, skin and reproductive health, immune system and cell specialization, vitamin A is important to bone formation and...
Vitamins A, D, E and K are fat-soluble vitamins required in small amounts for good health. Fat-soluble vitamins are stored in the body for a long time until they are needed, and unlike water-soluble vitamins, do not need replacing regularly. Most...
The body needs vitamin B-12, a nutrient naturally present in most animal products, to produce red blood cells, metabolize fat and protein and maintain proper neurological function. Inadequate intake or absorption of vitamin B-12 can lead to...
Vitamin D deficiency is a global epidemic, according to the Vitamin D Council, affecting an estimated 50 percent of the world's population. In 2009, "Scientific American" reported that the deficiency rate in the United States was as high as...
Although many people worry about vitamin D deficiency, some suffer from too much vitamin D. Common symptoms of vitamin D toxicity include loss of appetite, vomiting, nausea, extreme thirst, excessive urination and itchy skin, according to the...
Vitamin B12, also named cobalamin, is a member of the B complex of vitamins. All the B vitamins, including vitamin B12 are water soluble, and excess amounts of vitamin B12 that are not used by the body are usually excreted in the urine. As a...
Vitamin A aids many body functions, including the development of cells and bones, and this nutrient also helps maintain a healthy immune system. Your eyes need vitamin A for development and eye health, but if you have a high intake of vitamin A,...
Vitamin -B6 is one of the B-complex vitamins. All of the B-complex vitamins are water-soluble, meaning excess amounts are flushed from the body in urine. As a result, most of the B-complex vitamins rarely accumulate to dangerous levels in the...
Vitamin B12, or cabalamin, is water-soluble, meaning the renal system filters the vitamin from blood along with water, so it is difficult to build excess. If you do build an excess of the vitamin, it is not necessarily negative: The body can store...
Vitamin B12 is a water-soluble vitamin that is naturally found in such foods as shellfish, meat and dairy products, but it can also be taken orally in pill form, injected intravenously or applied to the mouth and nose in gel form, according to the...
People with renal insufficiency are at high risk of vitamin D deficiency. A March 2010 article by Ishar Bhan appearing in the "Clinical Journal of the American Society of Nephrology" found that 79 percent of the 1,908 patients studied were...
Vitamin B-12 is found in a variety of foods such as dairy products, fish, shellfish and meat. Vitamin B-12 helps your body make red blood cells and DNA and aids in the function of your nervous system. Since vitamin B-12 is so important, it's...
Vitamin A works to keep the eyes free from disease in addition to doubling up as an antioxidant fighting free radicals in the body. This fat-soluble vitamin is found in foods such as liver, whole milk and fortified cereal. Vitamin A can be...
Vitamin D is essential for bone growth and health and works to regulate the level of calcium in your body. Too little vitamin D can cause weak bones and bone pain, but too much vitamin D can cause a condition known as hypervitaminosis D. When your...
Vitamin B12 is one of the eight B complex vitamins that work to turn carbohydrates into energy for your body and that break down fats and protein. They are important for your nervous system, hair, skin, eyes and liver. Vitamin B12 specifically is...
It is possible to overdose on vitamins, especially when taking vitamin supplements, according to the American Pregnancy Association. It is difficult to overdose on vitamins from food alone, but there is still a slight risk. Excess amounts of...
From the early years of your life, you might remember your parents touting the benefits of vitamins and minerals as they encouraged you to eat your vegetables. And although vitamins are necessary for good health and proper body functioning, too...
An excess of vitamin B-12 is typically a rare occurrence. However, some diseases can cause the vitamin to build up in your body. If your vitamin B-12 level gets too high, it can cause some health problems. A normal level of vitamin B-12 ranges...
Many patients take over-the-counter vitamin B-12 supplements to prevent or treat vitamin B-12 deficiencies, while others take it by prescription. Dosages vary widely and even relatively large doses -- sometimes up to 1,000 mcg a day -- rarely...
Vitamin B-12, also known as cobalamin, is important in the production of healthy red blood cells and in the maintenance of a healthy nervous system, according to the Office of Dietary Supplements. Excess vitamin B-12 is metabolized in the liver...
Vitamins are a key element in having the body function properly. When a person does not receive enough vitamins, he can develop deficiencies that cause problems in the way the body functions. Vitamins are either water-soluble or fat-soluble. Any...
You get between 80 and 90 percent of the vitamin D your body needs through exposure to sunlight, according to Medline Plus. Small amounts come from your diet through fortified foods such as milk and cereal. Fatty fish such as mackerel and herring...
Vitamin D is a very safe supplement, and the Linus Pauling Institute reports there are no documented cases of vitamin D overdose due to sunshine exposure. As you possibly know, vitamin D is the "sunshine vitamin" because that's the source of most...
Vitamin A belongs to a group of nutrients called fat-soluble vitamins. Excess amounts of these vitamins, which require dietary fat to be absorbed properly, can be stored in your body. Consuming excessive amounts of vitamin A can lead to toxic...
Taking extra vitamin K stops excessive blood loss in people with a deficiency in the nutrient because of illness or medications such as antibiotics. The vitamin also promotes strong bones. But it's easy to take too much vitamin K. A 1/2 cup of...
Taking an excess of vitamins won't cause freckles. Freckles come from melanin production in your skin. Some melanocytes -- cells that produce pigment -- produce more melanin, which darkens your skin, than others. Freckles, small areas of...
Vitamin C is a water-soluble vitamin that many animals make, but humans must get from food or vitamin supplements. Vitamin C intake helps prevent scurvy and may help shorten illnesses, such as the common cold and flu viruses. Collagen is also made...
Bruises can be both unsightly and painful, and you might not know how to treat them. Learn about bruises from a doctor in this video on minor medical concerns.
Vitamin D is an important nutrient for the maintenance of organ systems, including kidney function and bone formation. Try these tips for buying foods rich in vitamin D in this healthy shopping video.
Vitamin A refers to the retinoid family of nutrients and is instrumental for good vision, bone metabolism, skin health, and the immune system. Try these tips for buying foods rich in vitamin A in this healthy shopping video.
