Vitamin B12

Vitamin B12, or cobalamin, is an essential micronutrient required in DNA synthesis and red blood cell maturation, among other metabolic functions. Its deficiency leads to a spectrum of disease. It is important to trace its absorption in order to understand how a person can become deficient.
Vitamin B12 Deficiency

Vitamin B12, also known as cobalamin, has many diverse functions in the human body. For this reason, its deficiency produces a spectrum of clinical manifestations. About 15 percent of adults above 65 years have subclinical deficiency, probably contributed to by the use of H2-receptor blockers for hyperacidity treatment, since these also reduce cobalamine levels.

Read More

Overview

Feature Articles

Latest Vitamin B12 News and Research

Multivitamin, mineral supplements may bolster the immune system of older adults

Multivitamin, mineral supplements may bolster the immune system of older adults

Essential microbe produces significant amounts of vitamin B12 in fermented grain materials

Essential microbe produces significant amounts of vitamin B12 in fermented grain materials

Chemist develops new drug to treat type 2 diabetes without undesired side effects

Chemist develops new drug to treat type 2 diabetes without undesired side effects

Study shows high folate levels associated with improved cognition in older adults

Study shows high folate levels associated with improved cognition in older adults

Study says vitamin-magnesium combo may reduce severity of COVID-19 in seniors

Study says vitamin-magnesium combo may reduce severity of COVID-19 in seniors

New light-activated drug delivery method helps confine arthritis treatments to the joints

New light-activated drug delivery method helps confine arthritis treatments to the joints

Researchers demonstrate how TB bacteria import vitamin B12 molecules to grow

Researchers demonstrate how TB bacteria import vitamin B12 molecules to grow

SLAC structural biologist discovers a strange cavity in key tuberculosis protein

SLAC structural biologist discovers a strange cavity in key tuberculosis protein

Scientists discover tuberculosis bacterium channels vitamins into the cell

Scientists discover tuberculosis bacterium channels vitamins into the cell

U.S. medical panel thinks twice about pushing cognitive screening for dementia

U.S. medical panel thinks twice about pushing cognitive screening for dementia

Low folate levels associated with malnutrition in hospital patients

Low folate levels associated with malnutrition in hospital patients

What to do if your home health care agency ditches you

What to do if your home health care agency ditches you

Diet significantly influences mental health and wellbeing, review confirms

Diet significantly influences mental health and wellbeing, review confirms

Vegans at risk of vitamin B12 deficiency finds study

Vegans at risk of vitamin B12 deficiency finds study

New studies point to benefits of weight-loss surgery for teens with severe obesity

New studies point to benefits of weight-loss surgery for teens with severe obesity

Study finds vitamin B12 deficiency in pregnancy may induce obesity

Study finds vitamin B12 deficiency in pregnancy may induce obesity

Many teens may develop nutritional deficiencies years after bariatric surgery

Many teens may develop nutritional deficiencies years after bariatric surgery

Stroke risk higher but heart disease lower in vegetarians

Stroke risk higher but heart disease lower in vegetarians

'Junk food' diet can lead to blindness

'Junk food' diet can lead to blindness

Study: Lower levels of specific dietary vitamins and antioxidants associated with frailty

Study: Lower levels of specific dietary vitamins and antioxidants associated with frailty