If you’ve been using pre-workout for a while now, you’ll be happy to know that most caffeine and creatine supplements, such as pre-workout, generally tend to be vegan, according to Amino Vitale. However, that isn’t always the case, so if you are vegan or if you have allergies, delvinig into the ingredients is imperative.
Some products reportedly contain certain types of animal-based additives — generally they are easy to identify, but it can be difficult if the list of ingredients is extensive.