Vitamin B12 - Wikipedia
WEB[5] Vitamin B 12 is the most chemically complex of all vitamins, [6] and for humans the only vitamin that must be sourced from animal-derived foods or supplements. [2][7] Only some archaea and bacteria can synthesize vitamin B 12. [8] .
Vitamin B-12 - Mayo Clinic
WEBJun 28, 2024 — Vitamin B-12 (cobalamin) plays an essential role in red blood cell formation, cell metabolism, nerve function and the production of DNA, the molecules inside cells that carry genetic information. Food sources of vitamin B …
Vitamin B12 Benefits and Best Sources - Cleveland Clinic Health …
WEBJun 8, 2022 — But if you don’t produce enough of a protein called “intrinsic factor” that helps your body absorb vitamin B12, or if you don’t eat enough vitamin B12 foods, you may develop a deficiency.
Vitamin B12 - The Nutrition Source
WEBVitamin B12 is involved in the breakdown of a protein called homocysteine. High homocysteine levels are associated with an increased risk of heart disease and stroke as it may promote the formation of blood clots and excess free radical cells, and may impair normal blood vessel function.
The Myths and Truths of Vitamin B12 - WebMD
WEBYour body doesn’t naturally make vitamin B12. That means you have to get it from food or supplements. Once ingested, the vitamin combines with a protein in your stomach called intrinsic...
Vitamin B12 Foods: 12 Great Sources - Healthline
WEBFeb 29, 2024 — Vitamin B12 is an essential nutrient your body can’t make, so you must get it from your diet or supplements. Here are 12 foods that are high in vitamin B12.
Foods High in B12: Meat, Dairy, and Vegan-Friendly - Verywell …
WEBAug 8, 2024 — Vitamin B12 is an essential nutrient. Here are the best food sources of vitamin B12, as well as fortified alternatives for vegetarian or vegan diets.
Vitamin B12 Deficiency: Symptoms, Causes & Treatment - Cleveland Clinic
WEBAug 1, 2024 — Vitamin B12 is an important nutrient that helps your body make red blood cells and DNA, the genetic material in all of your cells. Untreated, vitamin B12 deficiency can cause physical, neurological and psychological problems.
Vitamin B12 Deficiency: Causes, Symptoms, and Treatment - WebMD
WEBJun 29, 2024 — Vitamin B12 is essential for good health, but some people may not be getting enough. WebMD tells you about symptoms of a vitamin B12 deficiency and how it can be treated.
Vitamin B12 - Health Professional Fact Sheet
WEBVitamin B12 is bound to protein in food and must be released before it is absorbed . The process starts in the mouth when food is mixed with saliva. The freed vitamin B12 then binds with haptocorrin, a cobalamin-binding protein in the saliva.