Ingredient
Vitamin B12 (Cyanocobalamin)
What is Vitamin B12 (Cyanocobalamin)?
Vitamin B12, also known as cyanocobalamin, is a water-soluble vitamin that is essential for various bodily functions, including nerve function and the production of DNA. It is typically synthesized through a bacterial fermentation process and often comes in a crystalline form when used in supplements.
This vitamin is often used in fortified foods and dietary supplements to help meet nutritional needs, especially for individuals who are at risk of deficiency like vegans or those with certain medical conditions. The majority of evidence supports its safety and necessity in the diet, though some debate exists on the optimal form and dosage.
On labels, Vitamin B12 might be listed as cyanocobalamin, its synthetic form, which is often used due to its stability and effectiveness in supplementation.
Commonly found in: energy drinks, dietary supplements, fortified breakfast cereals, nutritional yeast, meal replacements
What to watch
- High doses through supplements can sometimes lead to mild skin rashes or acne-like symptoms.
Benefits
- Essential for red blood cell formation and DNA synthesis.
- Supports nerve health and brain function.
- Helps prevent megaloblastic anemia, which can cause fatigue and weakness.
The FDA recognizes Vitamin B12 as essential and allows its use as a nutritional additive in foods and dietary supplements.
Research consistently shows Vitamin B12 as necessary for health, particularly in preventing deficiency-related conditions, though deliberation continues on the optimal form for supplementation.
Since Vitamin B12 is typically found in animal products, fortified foods and supplements like cyanocobalamin are essential for vegans to meet their dietary requirements.
Sources: Vitamins and Minerals for Health
Scout's take
Cyanocobalamin is the synthetic, least bioavailable form of vitamin B12 at an excessive 2500% daily value. The body cannot utilize this amount and excretes the vast majority. Methylcobalamin would be a superior choice.
The case for
Supports energy metabolism in its basic form.
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