Cognitive Performance and Protection - 90 CT. Lion’s Mane is a thoroughly researched medicinal mushroom with well documented antioxidant, anti-inflammatory and immune boosting properties that helps protect the brain from age related degeneration. Main Brain is formulated with high quality, organically grown Lion’s Mane. The addition of Niacin boosts brain function, supports brain cell repair processes and boosts brain blood flow. Flaxseed is high in Omega 3 fatty acids, which are essential for brain function and can also support memory and cognition.