The short answer is: yes, bamboo fiber is technically edible. In some parts of the world, like Asia, bamboo has been a food source for centuries. People use the shoots, leaves, and even the fiber to make all sorts of dishes, from savory soups to sweet desserts. But, is it really safe to eat bamboo fiber in its raw form?
Well, it's kind of like eating raw celery – it's not going to hurt you or anything, but it's not exactly digestible either. Bamboo fiber is super high in fiber (duh!), which can be tough on your digestive system if you're not used to it. So, while it's not toxic or anything, it's not exactly a snack you'd want to munch on regularly.