Ingredient · E101

Vitamin B6 Riboflavin

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Source
Not animal-derived
Allergen
No
Role in food
Riboflavin is added to foods as a nutrient supplement and to provide a yellow …

What it is

Riboflavin, also known as Vitamin B2, is a water-soluble vitamin that plays a key role in energy production, cell function, and metabolism. It is found naturally in foods like dairy products, eggs, lean meats, and leafy green vegetables. It can also be produced synthetically for use as a food additive.

Why it's used

Riboflavin is added to foods as a nutrient supplement and to provide a yellow color. It is commonly found in fortified cereals, bread, pasta, and dairy products. Its yellow hue can also be used to color certain food items.

Health notes

Riboflavin is recognized as safe and effective by the FDA when used as a nutrient supplement. The European Food Safety Authority (EFSA) and the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have evaluated riboflavin and generally consider it safe. Adequate intake is important for overall health, and while deficiency can cause issues, typical dietary intake from fortified foods is generally considered safe and beneficial.

Allergen info

Riboflavin is not a major allergen. It does not contain gluten.

Products containing Vitamin B6 Riboflavin

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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.