Vitamin B12, also known as cobalamin, plays crucial roles in the body's functioning. It supports the formation of red blood cells, DNA synthesis, and neurological function.
The recommended daily allowance (RDA) for vitamin B12 varies by age and life stage. For adults, typical recommendations suggest 2.4 micrograms per day.
Vitamin B12 is naturally found in animal products such as meat, fish, eggs, and dairy. For vegetarians and vegans, fortified foods like nutritional yeast, fortified cereals, and plant-based milk.
The absorption of vitamin B12 requires adequate stomach acid and a protein called intrinsic factor, produced in the stomach lining. Conditions affecting stomach acid production.
A deficiency in vitamin B12 can lead to anemia, characterized by fatigue and weakness due to insufficient red blood cell production. Neurological symptoms such as numbness.
High doses of vitamin B12 generally have low toxicity but can cause side effects such as itching, rash, or diarrhea in some individuals. Interactions with certain medications.
Since vitamin B12 is primarily found in animal products, vegetarians and vegans are at higher risk of deficiency. Consuming fortified foods or supplements is essential.
Supplements are available in various forms, including tablets, capsules, and sublingual (under-the-tongue) formulations. Injections are also used in cases of severe deficiency.
Adequate vitamin B12 during pregnancy supports fetal development and may reduce the risk of neural tube defects. Lactating women should maintain sufficient B12.
Maintaining optimal B12 levels in older adults is crucial for cognitive health. Deficiencies can contribute to cognitive decline and dementia-like symptoms.
SWIPE UP