Eat or Avoid
E101

Riboflavin

Also known as: Vitamin B2, Lactoflavin

ColorantsFortifying Agents

Safety rating

Eat Away!

Eat Away!Generally SafeUse SparinglyAvoid
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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

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