Ingredient

Cyanocobalamin B12

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Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add cyanocobalamin to fortify foods and beverages, ensuring consumers can obtain adequate amounts …

What it is

Cyanocobalamin is a synthetic form of vitamin B12, an essential nutrient that the body needs but cannot make on its own. It is produced industrially through bacterial fermentation and chemical synthesis. Vitamin B12 plays a crucial role in nerve function, red blood cell formation, and DNA synthesis.

Why it's used

Manufacturers add cyanocobalamin to fortify foods and beverages, ensuring consumers can obtain adequate amounts of vitamin B12. It is commonly found in breakfast cereals, plant-based milk alternatives, and nutritional supplements. It is also added to some waters and beverages, as seen in the examples provided.

Health notes

Cyanocobalamin is generally recognized as safe (GRAS) by the FDA for use as a nutrient supplement. The body absorbs only the amount of vitamin B12 it needs, and excess amounts are typically excreted. International bodies like JECFA and EFSA have evaluated vitamin B12 and its forms. Evidence suggests that adequate vitamin B12 intake is important for overall health, and deficiency can lead to neurological issues and anemia.

Allergen info

Cyanocobalamin is not derived from any of the FDA's major allergens and does not contain gluten.

Products containing Cyanocobalamin B12

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.