Color Additive CAS: 83-88-5 EU: E101

Riboflavin (Vitamin B2)

Riboflavin (Vitamin B2) (E101), CAS 83-88-5, is a color additive additive holding a composite safety score of 5 out of 5 (Generally Safe). The U.S. Food and Drug Administration currently classifies it as GRAS, while the European Union lists it as Approved. This ingredient appears in approximately 3 tracked food products across our database. It is most commonly used as Pasta, cereals, baby food.

No U.S. state has enacted specific legislation targeting Riboflavin (Vitamin B2) to date, keeping federal FDA classification as the operative standard. State-level food safety legislation remains active nationally, and that picture may shift as new bills advance.

Peer-reviewed research has flagged 1 distinct area of health concern for Riboflavin (Vitamin B2), which factors directly into the assigned safety score. The European Food Safety Authority has published an evaluation dated 2013-10-22. All figures above draw on FDA SAFFA inventory records, EU food additive regulation (EC) No 1333/2008, EFSA scientific opinions where published, and legislative records from individual U.S. states.

Regulatory Snapshot

Property Value Source
FDA Status GRAS FDA SAFFA
EU Status Approved EC 1333/2008
E-Number E101 EU additive register
CAS Number 83-88-5 CAS Registry
Category Color Additive FDA functional class
Composite Safety Score 5 / 5 (Generally Safe) PlainIngredients methodology
EFSA ADI Not established EFSA scientific opinion
U.S. State Actions 0 states State legislative records
Tracked Products 3 Open Food Facts (US)

Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.

Generally Safe
Safety Score: 5 out of 5
Safety Rating 100.0%

FDA Status

GRAS

EU Status

Approved

E101

U.S. State Regulations

0 states

None enacted

Safety Assessment

Riboflavin (Vitamin B2) receives a safety score of 5/5 (Generally Safe) based on a composite analysis of FDA regulatory status, EU approval, scientific literature on health effects, and state-level legislative actions. The FDA classifies Riboflavin (Vitamin B2) as "Generally Recognized As Safe" (GRAS), meaning qualified experts consider it safe under intended conditions of use.

Research has identified 1 area of health concern associated with Riboflavin (Vitamin B2). Consumers with specific health conditions should consult a healthcare provider before consuming products containing this ingredient.

What is Riboflavin (Vitamin B2)?

Natural yellow color and essential vitamin.

Health Concerns

  • Safe. Essential nutrient.

Common Uses

Pasta, cereals, baby food

Frequently Asked Questions

Is Riboflavin (Vitamin B2) safe to consume?

Riboflavin (Vitamin B2) has a safety score of 5/5 (Generally Safe). It is approved by the FDA for use in food. As with all food additives, moderation is advisable.

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Data Sources

  • FDA Substances Added to Food (SAFFA) Inventory
  • EU Food Additive Regulations (EC) No 1333/2008
  • State food safety legislation and bill records

Related

Data sourced from official EWG, FDA GRAS, and ingredient toxicology databases. See our methodology for details. Retrieved and formatted by PlainIngredients Editorial