"Dietary" refers to anything related to what we eat or our eating habits. It is an adjective used to describe the types of food we consume or the restrictions we may have in our meals. Full definition
It has the highest percentage of dietary fiber of any flour (48 percent), and it's also a good source of protein while being very low in carbohydrates. (bonafideanugerahsentosa.com)
Oatmeal and barley are considered good sources of dietary fiber for dogs. (pawster.com)
Dogs need dietary supplement of probiotics, since they don't normally get them from regular dog food. (topdogtips.com)