Not all protein powders are created equal — especially if you have IBS. The wrong one can leave you bloated, gassy and uncomfortable within the hour. Here's how to find an IBS-friendly protein powder that actually agrees with you.
Why do standard protein powders trigger IBS?
Most mainstream powders contain one or more common IBS triggers: whey and casein (dairy), inulin or chicory root fibre, added fructose, and polyol sweeteners such as sorbitol, xylitol and maltitol. Many also use gums and artificial sweeteners that can upset a sensitive gut.
What makes a protein powder IBS-friendly?
- Low FODMAP — ideally independently certified.
- Gentle plant proteins — brown rice and pea protein rather than dairy.
- No inulin or chicory root — a very common hidden trigger.
- No polyol sweeteners — the "sugar-free" additives that cause wind.
- Simple, clean ingredients — made with organic ingredients, no fillers.
Ingredients to avoid
Scan the label for inulin, chicory root, added fructose, sorbitol, xylitol, maltitol, and high-lactose dairy. If you spot these, it's likely not IBS-friendly.
How That Protein is different
We formulate every blend for sensitive guts. As the UK's only FODMAP Friendly certified vegan protein brand, our Blissful Brown Rice & Raw Cacao and Double Choc Protein Porridge are certified low FODMAP, with the rest of the range tested low FODMAP (our Nutty Nutty is low FODMAP at a 20g serving). No inulin, no polyols, no nasties.
Frequently asked questions
Can I have protein powder every day with IBS? Many people tolerate a gentle low FODMAP protein daily — stick to the recommended serving and see how you feel.
What's the best first product to try? Blissful Raw Cacao is a great, certified starting point.
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