"BrainMD" is a brand that has been around for over a decade, producing natural supplements. All of their products are designed by doctors. They have a physical address in Irvine, California, and their products are available from many retailers. The brand offers a wide selection of supplements related to brain health and related aspects. The products promise to improve memory, focus and concentration, mood, sleep and relaxation, and immunity. However, the results may vary from person to person, and a few customer reviews have reported nausea after consumption of the supplement. It's always recommended to consult with a healthcare professional before starting any new supplement regimen.