ulcer: stomach: preventive - rhubarb

ulcer: skin - vervain

uric acid: fennel, kava

urninary tract: black currant, cleavers, cranberry, echinacea, eucalyptus, jin yin, juniper, kava, marshmallow, morning glory, oats, pipsissewa, raspberry, sassafras, saw palmetto, usnea, vervain

uterine relaxant: black haw, crampbark, chamomile oil, raspberry, partridge berry, jasmine

uterine stimulant: all volatile oil, barberry, black cohosh, blue cohosh, bloodroot, broom, calendua, coffee, dong quai, fenugreek, feverfew, goldenseal, ju hua, juniper, lavender, mandrake, motherwort, raspberry, sage, tea