Yes, Riboflavin 5 phosphate in a typical serving size contains low levels of FODMAP.
Best Low FODMAP alternatives to Riboflavin 5 phosphate for your diet
You can also substitute Riboflavin 5 phosphate 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 riboflavin 5 phosphate good for people with IBS?
Yes, Riboflavin 5 phosphate 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 Riboflavin 5 phosphate
Riboflavin-5-phosphate, a derivative of vitamin B2, is commonly used in the food industry as a colour additive and nutritional supplement, and it is generally safe with no known harmful effects.

