Is Onion salt Low FODMAP?
Onion salt is high FODMAP. It's best avoided during the elimination phase.
Serving thresholds
| Serving | FODMAP level | Data quality |
|---|---|---|
| ½ tsp (2 g) | High | Class rule |
Thresholds are per sitting. FODMAP load stacks across a meal — two “low” servings of different foods can still add up.
Which FODMAPs are in onion salt?
During reintroduction, test the group above one at a time — tolerating onion salt depends on your personal threshold for Fructans, not on the food itself.
Good to know
Onion salt mixes onion powder with salt — fructan dose stays high.
Where these numbers come from
- Derivation note: Onion salt blends typically 25–50% onion powder; fructan dose above cutoff at culinary use.
- Peer-reviewed paper: Varney J et al. (2017) FODMAPs: food composition, defining cutoff values and international application. J Gastroenterol Hepatol 32(S1):53–61.
Phase derives serving thresholds from published research and food-composition data so every number is auditable.
Low-FODMAP swaps for onion salt
Craving onion salt during elimination? These low-FODMAP picks from the same food group let you keep the dish without the trigger.
Related foods
This page is for informational purposes only and is not medical advice. FODMAP content varies with ripeness, processing, and brand. Always work with your doctor or a registered dietitian on dietary changes for IBS.