RediMind contains all 5 on the substances we consider essential for ideal memory aid, which include alpha GPC, huperzine A, hericium erinaceus, bacopa monnieri, and ginkgo biloba. It's also produced inside of a GMP-Accredited laboratory in Big apple. It is obtainable on Amazon.com, but we observed noticeably better savings on Nutreance's Web-site.