Yes, E172 in a typical serving size contains low levels of FODMAP.
Best Low FODMAP alternatives to E172 for your diet
You can also substitute E172 with spinach, kale and collard green. These alternatives work well in most recipes and are easier on your stomach if you’re following a low FODMAP diet
Is e172 good for people with IBS?
Yes, E172 is ok for IBS when consumed in appropriate serving sizes. It is considered low FODMAP and generally well-tolerated. For those managing IBS or SIBO during the elimination phase, it’s generally safe to include this ingredient in your meals within recommended portions. However, it’s important to avoid overconsumption, as larger servings may exceed Low FODMAP thresholds. Allow adequate time between meals to support digestive processing and maintain symptom relief.
Pro tip: Ingredients under 2% of a product or used for colouring are typically too minimal to trigger FODMAP reactions.
About E172
Iron oxide is a colouring agent used in various food products to impart a red, yellow, or black hue, and it is generally considered safe for consumption in regulated amounts.

