"Plant fiber" refers to the tough, thread-like material found in plants that provides structure and support. It can be used to make various products like clothing, paper, and rope. Full definition
They a high - quality source of plant fiber, vitamin K, vitamin C, and manganese. (dogfoodselector.com)
They're not only vitamin - rich, but very high in plant fiber which makes them seriously satisfying and digestion - friendly. (thelittlepine.com)
The most likely gut reactions, however, to our own detox protocol, are actually related to the high quantities of natural plant fiber you are eating. (greensmoothiegirl.com)