That may depend on your definition of success. It also depends—to some extent—on the type/cause of PN; some varieties are more "treatable" than others, and different causes/types may respond to different regimens.
In addition to what's discussed ad infinitum in this forum, there is an entire sub-forum—
PN Tips, Resources, Supplements & Other Treatments—where supplements & regimens are discussed in greater depth, including those advisable for
ALL PNers to take.
~~SUPPLEMENTS~~~ for Peripheral Neuropathy:
Doc