Celiac safety profile
Nichinan
Sushi Restaurant · Asian Restaurant · Japanese Restaurant · Restaurant
15 Middle Street, Portsmouth, NH 03801
What you can eat here
Pulled from Gluto's celiac safety report for this location.
✅ Reported safe options
- Chicken thigh dish that is described as coming from a dedicated gluten-free fryer.
- Shrimp tempura that is reported as gluten-free when prepared with a dedicated gluten-free fryer.
- Karaage chicken described as entirely gluten-free with a dedicated fryer.
⚠️ Risks & cross-contamination
- The restaurant is not presented as a dedicated gluten-free facility, so cross-contamination risk cannot be ruled out for all dishes.
- Not all menu items are guaranteed gluten-free, so careful interrogation of ingredients and fryers is advised.
- One information source notes the establishment is not a dedicated gluten-free facility, underscoring the need for direct staff confirmation on specific dishes.
- Recent positive dining experiences emphasize staff knowledge and gluten-free accommodations, but the possibility of gluten exposure remains for items outside clearly labeled GF options.
Gluto score breakdown
Each axis is scored 0–100 from research + community signals.