"Special dietary restrictions" refers to limitations or rules on what a person can eat or drink due to specific health conditions or personal preferences. Full definition
Senior small breed dogs may develop health problems that require special dietary restrictions or prescription diets. (akc.org)
If your baby has a medical condition or was born pre-term, you may want to discuss special dietary restrictions with a pediatrician. (apartmentbaby.com)
Giving people the opportunity to shop for themselves also makes it easier for them to meet special dietary restrictions related to diabetes and other concerns.» (remonline.com)