Vitamin D - Mayo Clinic Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy The body can absorb calcium only if it has enough vitamin D Calcium is a major part of bones Vitamin D also has many other uses in the body It supports immune health and helps keep muscles and brain
Vitamin D deficiency - Mayo Clinic Not getting enough vitamin D, also called a vitamin D deficiency, can cause your bones to become thin, brittle, bent or bowed during growth More study is needed to understand how vitamin D levels affect chronic illness The recommended amount of vitamin D a day for adults is 600 international units, also called IU That goes up to 800 IU a day for people older than age 70
Vitamin B-12 - Mayo Clinic Vitamin B-12 is a vitamin the body uses to make and support healthy nerve cells It's also used to make healthy red blood cells and the genetic material inside cells called DNA Vitamin B-12 also is called cobalamin Food sources of vitamin B-12 include poultry, meat, fish and dairy products Food companies also may add vitamin B-12 to breakfast cereals Some people may take it as a vitamin by
Vitamin deficiency anemia - Symptoms causes - Mayo Clinic Vitamin deficiency anemia is having too few healthy red blood cells It happens when the body has too little vitamin B-12 and folate Not eating enough foods that have vitamin B-12 and folate can cause vitamin deficiency anemia Or the body might have trouble taking in and using these vitamins Without these nutrients, the body makes red blood cells that are too large and don't work well So
Iron deficiency anemia - Symptoms causes - Mayo Clinic Iron deficiency anemia is a common type of anemia Anemia is a condition in which the blood doesn't have enough healthy red blood cells Red blood cells carry oxygen to the body's tissues Not getting enough iron can cause iron deficiency So can losing blood from having periods or bleeding inside the body Without iron, the body can't make enough of the part of red blood cells that lets them
Rickets - Symptoms causes - Mayo Clinic Rickets is the softening and weakening of bones in children, often because of an extreme and prolonged vitamin D or calcium deficiency Rare inherited problems also can cause rickets Vitamin D helps a child's body absorb calcium and phosphorus from food Not enough vitamin D makes it hard to maintain proper calcium and phosphorus levels in bones, which can cause rickets Adding vitamin D or
Anemia - Symptoms and causes - Mayo Clinic Also, some people can't absorb vitamin B-12 This can lead to vitamin deficiency anemia, also called pernicious anemia Anemia of inflammation Diseases that cause ongoing inflammation can keep the body from making enough red blood cells Examples are cancer, HIV AIDS, rheumatoid arthritis, kidney disease and Crohn's disease Aplastic anemia
Hyperparathyroidism - Symptoms causes - Mayo Clinic Having too little calcium or too little vitamin D in your body for a long time These conditions are called calcium deficiency and vitamin D deficiency Having a rare, inherited disorder, such as multiple endocrine neoplasia type 1, that affects the parathyroid glands Having changes in certain genes that can cause hyperparathyroidism
Vitamin D deficiency: Can it cause high blood pressure? A vitamin D deficiency means you don't have enough vitamin D in your body Too little of vitamin D makes bones weak But the link between vitamin D and blood pressure isn't clear Vitamin D may change how some body chemicals control blood pressure The vitamin also seems to keep the lining of blood vessels flexible and healthy
Vitamin D toxicity: What if you get too much? - Mayo Clinic Vitamin D toxicity is a rare condition that happens when too much vitamin D is in the body The condition can have serious effects on health Another name for it is hypervitaminosis D Cause of vitamin D toxicity Vitamin D toxicity usually is caused by taking large doses of vitamin D supplements