Other benefits that have been found by beta sitosterol studies have not yet all been substantiated by scientific evidence
. However, they include boosting of the immune system, relieving of inflammation, alleviation of cramps, healing of ulcers, and the enhancement of the tone of the uterus. Since no drug interactions or side effects were reported during these studies, it was concluded that the substance is safe. Several supplements that are combined with other phytosterols are available over the counter. Studies continue to assess whether it may be useful in treatment of multiple sclerosis and several other conditions.