E101 — Riboflavin
Yellow food coloring and nutritional supplement
Also known as: Riboflavin · Vitamin B2 · Lactoflavin
Verification required
Verify — Mushbooh
Source-dependent and requires verification. This additive may be derived from either halal (plant/synthetic) or haraam (animal) sources. Always check the product label or contact the manufacturer to verify the source.
Checking this in a shop right now?
Vegan / vegetarian label on pack → plant-based source → safe for this code
HFA / HMC / IFANCA / JAKIM logo → independently certified → safe
Neither? Follow the steps below.
What to do with this product
Follow these steps in order — most products resolve at step 1 or 2
Check for a "suitable for vegans" or "suitable for vegetarians" claim
If present, E101 comes from a plant-based source — safe for this code. Still check all other ingredients too.
Look for a halal certification logo on the pack
An HFA, HMC, IFANCA, JAKIM, or ESMA logo means the source has been independently audited. The E-code is confirmed halal in this product.
Neither? Here's what to do next:
Put it back and look for a certified alternative on the same shelf.
Check for products carrying an HFA, HMC, or IFANCA logo, or labelled "suitable for vegans". Either confirms a safe source.
Did you find a certified alternative?
Verified halal alternatives:
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About E101
Color Halal if it is made from synthetic source otherwise need investigation for it source
Verification Required
This additive's halal status depends on its source. Check the product label for a halal certification mark, or contact the manufacturer directly.
What is E101 made from?
- synthetic
- yeast fermentation
- animal organs
Foods that commonly contain E101
Food Category Guide
E101 is common in breakfast cereals — see the full halal guide →
Always check the ingredient label on the specific product - manufacturers may change formulations.
Frequently Asked Questions
Is E101 (Riboflavin (Vitamin B2)) halal?
E101 (Riboflavin (Vitamin B2)) is classified as Mushbooh (Questionable). Source-dependent and requires verification. This additive may be derived from either halal (plant/synthetic) or haraam (animal) sources. Always check the product label or contact the manufacturer to verify the source.
What is E101 used for?
E101 is used as a yellow food coloring and nutritional supplement in food products.
What foods contain E101?
E101 (Riboflavin (Vitamin B2)) is commonly found in: breakfast cereals, baby food, energy drinks, dairy products.
What is E101 made from?
E101 can be derived from the following sources: synthetic, yeast fermentation, animal organs.
What are the other names for E101?
E101 may appear on food labels as: Riboflavin, Vitamin B2, Lactoflavin.
food colors — 51 E-codes: 20 Halal, 2 Haraam, 29 Mushbooh
Related E-Codes in food colors
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This information is for educational purposes only. For religious rulings, consult a qualified Islamic scholar or halal certification authority. E-code classifications may vary by source, manufacturing process, and school of thought.