Actually, there are some who try niacin
, lipoflavanoid vitamins and gingko biloba.
.. As well as other homeopathic meds.
Although I do not routinely recommend, I have patients who swear by some of these compounds. (~ <8% effective)
although there is no absolute "cure" for meniere's, the disease can be controlled to a point at which it does not bother the patient by meds or surgery.