Taking for memory loss and brain fog brought on by Lyme. Can see a vast improvement. Also taking Ginko, Huperzine A. Watched others decline from old age,senility and Alzheimers supplementation has been show to help. Read about this in Buhners book Healing Lyme and Coinfections.
I have found that the vinpocetine has a swooshing effect in my head. It clears out the cobwebs. I pair it with huperzine A for an effective memory help. It also has lessened my tinnitus. I quit taking it for a while and found that I missed it. My ears got louder while I was not taking it.