"To have dietary restrictions" means to follow a specific diet or eat certain foods while avoiding others due to various reasons such as allergies, health conditions, or personal choices. Full definition
If you don't have any dietary restrictions, you can use soy sauce for this recipe. (onelovelylife.com)
They are especially helpful for those who have dietary restrictions such as gluten, dairy, and eggs, that can make breakfast a bit more challenging. (ultrawellnesscenter.com)
If guests have any dietary restrictions due to allergies or health concerns, they are encouraged to make them known in advance of their stay. (greyfieldinn.com)