In the introduction to the 2002 Cambridge Press Edition of Nietzsche's Beyond Good and Evil, the book is summarized as:
… in its most basic structure [Beyond Good and Evil] is quite simple and straightforward: if there are no values “out there,” in the sense in which we believe stars and other physical objects to be “out there” and if, at the same time, we cannot do without values, then there must be some value-creating capacity within ourselves which is responsible for the values we cherish and which organizes our lives. Though presumably we are all endowed with this capacity,[16] there are very few of us who manage to create values powerful enough to force people into acceptance and to constitute cultural and social profiles. To create such constitutive values seems to be, according to Nietzsche, the prerogative of real philosophers (not philosophy professors), of unique artists (if there are any), of even rarer founders of religions, and, above all, of institutions that develop out of the teaching of creative individuals, i.e., of science, philosophy, and theology. Thus, anyone interested in the function and the origin of values should scrutinize the processes which enabled these persons and institutions to create values. …
Since Nietzsche himself considered the historical Jesus a values creator, then I think it's possible that Nietzsche would have considered Joseph Smith an artistic philosopher and values-creator. Especially in Joseph Smith's pursuit of improving upon the form of Christianity which Nietzsche called "Platonism for the masses." For Joseph clearly instituted a spiritual physicalism absent from many Protestant and Catholic forms of Christianity that despised the body. Just as scholarship shows that the writers of the New Testament were engaged in what they call Narrative Scripturalization, I think Joseph Smith was equally involved in the same endeavor in producing The Book of Mormon.
As I have discussed on this blog, Joseph Smith created new values in seeing the sensual body as good, and he replaced the emphasis on poverty as a virtue with the value of gaining riches in order to do good and alleviate suffering and poverty while establishing the ideal of Zion. In contrast to the more martyr-centric traditions in Christianity, Joseph Smith generated the value of a more Muscular Christianity.