Eat or Avoid
E101

Riboflavin

Also known as: Vitamin B2, Lactoflavin

ColorantsFortifying Agents

Safety rating

Eat Away!

Eat Away!Generally SafeUse SparinglyAvoid

Purpose and Function

Riboflavin (Vitamin B2) is an essential water-soluble vitamin used as a natural yellow-to-orange colorant in baked goods, cereals, and dairy products, and as a fortifying agent added to cereals, bread, and baby foods to prevent B2 deficiency.

Commonly found in

  • Fortified cereals, bread, and baby foods
  • Baked goods and dairy products
  • Sauces and beverages
  • Dietary supplements

Key functions

  • Provides a yellow to orange color
  • Fortifies foods with Vitamin B2
  • Supports energy metabolism and cellular function

Potential Risks and Side Effects

  1. 01Low toxicity risk — water-soluble, excess is excreted in urine rather than stored
  2. 02Harmless bright yellow urine at high intake
  3. 03Rare photosensitivity or allergic reactions

References

    Related Additives