✓ Safety Verdict: Generally Safe
E160b (Annatto) is generally safe for most people. It's a natural colouring from achiote seeds used for centuries. Rare cases of allergic reactions reported, but the vast majority tolerate it without issue.
What is E160b?
E160b is annatto, a natural colouring extracted from the seeds of the achiote tree (Bixa orellana).
Why it's used:
- Natural orange-red colour in cheese, butter, margarine
- Consumer preference over synthetic dyes
- Heat stable – doesn't fade during cooking
Where is E160b Found?
- Cheddar cheese (orange colour)
- Red Leicester cheese
- Butter and margarine
- Snack foods (cheese-flavoured crisps)
- Smoked fish
Is E160b Safe?
Yes, generally safe. Used for centuries in Latin American cooking.
✅ Safety Profile:
- Natural compound from seeds
- No cancer risk
- Safe for most people
Rare Allergic Reactions:
- Very small percentage of people allergic to annatto
- Symptoms: hives, itching, digestive upset
- Far less common than synthetic dye allergies
Regulatory Status
UK/EU: Approved with ADI of 6mg per kg body weight
US: FDA "Exempt from certification" (safe natural colour)
The Bottom Line
- ✅ Generally safe – natural colouring
- ✅ Used for centuries in cooking
- ⚠️ Rare allergies possible (very uncommon)
- ✅ Preferred over synthetic dyes
🔍 Track E160b with NutraSafe
Scan barcodes to identify annatto and all food colours.
Try NutraSafe Now
Last updated: February 2026