What is the best OTC medication for memory? Posted on August 16, 2022 By admin_zxviwxhy Omega-3 fatty acid. Omega-3 fish oil supplements have piqued great interest. Huperzine A. Also known as Chinese club moss, this natural medicine works in a similar way as Alzheimer’s drugs. Acetyl-L-carnitine. Vitamin E. Asian (or Panax) ginseng.