INS Numbers on Food Labels: What Do They Really Mean?0

• A to Z, Food Laws, Food Safety, General, Health & Wellness
• October 7, 2026

INS 330. INS 211. INS 621. If you have looked at a packaged food’s ingredient list, you may have noticed numbers like these. Each number identifies a specific food additive and forms part of the International Numbering System (INS) for Food Additives. The system provides standardised numerical codes for individual additives, making them easier to