
Vitamin D - Mayo Clinic
Mar 21, 2025 · 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 …
Vitamin D deficiency - Mayo Clinic
May 10, 2025 · 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 …
Vitamin deficiency anemia - Diagnosis & treatment - Mayo Clinic
Sep 16, 2025 · Treatment for vitamin deficiency anemia involves taking the vitamin you don't have enough of. For pernicious anemia, you most often get vitamin B-12 in a shot. You may need to …
Rickets - Symptoms & causes - Mayo Clinic
Apr 25, 2025 · 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 …
Rickets - Diagnosis & treatment - Mayo Clinic
Apr 25, 2025 · Treatment Most cases of rickets can be treated with vitamin D and calcium supplements. Follow the directions as to dosage. Too much vitamin D can be harmful. Your …
Vitamin D and MS: Is there any connection? - Mayo Clinic
Feb 26, 2025 · Research suggests that vitamin D has a positive effect on the immune system. Experts need to better understand how vitamin D might affect MS. There's also an association …
Vitamin deficiency anemia - Symptoms & causes - Mayo Clinic
Sep 16, 2025 · 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 …
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Jul 6, 2024 · Can taking a vitamin D supplement prevent infection with the virus that causes coronavirus disease 2019 (COVID-19)? It is not clear if vitamin D supplements help prevent …
Vitamin B-12 - Mayo Clinic
Aug 13, 2025 · Know the causes of a vitamin B-12 deficiency and when use of this supplement is recommended.
Cholecalciferol (oral route) - Side effects & dosage - Mayo Clinic
Jan 1, 2026 · Description Cholecalciferol is a dietary supplement that is used to treat vitamin D deficiency. It is also used with calcium to maintain bone strength. This medicine is available …