Vinpocetine is a semisynthetic derivative of the vinca alkaloids. It increases blood flow to the brain and heart and protects it from injury..
Dizziness, Dryness in mouth, Flushing (sense of warmth in the face, ears, neck and trunk), Headache, Insomnia (difficulty in sleeping), Nausea, Stomach pain
Vinpocetine is used in the treatment of Alzheimer's disease, stroke, dementia in Parkinson's disease, age related memory loss and head injury.
Vinpocetine is used for treating tinnitus. However, it is known to cause raise/ lowering of blood pressure, depression, thinning of blood, sleepiness and it does not help with anxiety.