Other vitamins or minerals can be taken if desired. Vitamin pills should not be taken in large quantities, because they are powerful reactants and can destroy organs, particularly when they contain byproducts of synthesis. Outside link on B12 Learning to eat a raw food diet is mostly trial and error. Whatever is available and one wants to eat is generally adequate. Protein is found in raw nuts and seeds, such as sunflower seeds, sesame seeds, filberts, etc., and sprouts are also a good source of protein.
Sprouts are often part of a raw food diet.
They do require a slight amount of work, but not necessarily a lot. The easiest sprouts to make are lentils. The easiest way to make them is simply to soak them in a large plastic cup for 4-8 hrs, then drain and keep moist by spraying and occasionally rinsing. They can be eaten as soon as they get soft enough, though sometimes hard seeds might still exist for 8 hrs or more, which are bad for teeth. Sprouts can be allowed to grow for a couple of days.