Premier Research Labs CogniTropicAdvanced Brain Factors Supports memory, higher thinking, learning and attention Promotes sleep and mood Helps promote levels of a key neuroprotein (BDNF) that declines as we age BDNF is involved in learning, memory and higher thinking This advanced brain support formula is the culmination of an emerging class of patent pending botanical compounds scientifically formulated to target cerebral performance boosting mental focus, attention, working memory,