Mental Master Liquid Extract is an herbal formula that has been used for centuries as a natural remedy for memory loss, confusion, dementia, depression, dizziness, ringing in the ear, tinnitus, headache, peripheral vascular disease, and more. The main ingredients are Ginkgo leaf extract, gotu kola leaf extract, green tea leaf extract, codonopsis root extract, licorice root extract, and rhodiola root extract. These herbs have been shown to improve circulation, increase blood flow, and enhance brain function. They may also be effective in treating Alzheimer’s disease. 1 fl oz (30ml).