Golden Brain's dosage question has two separate answers worth distinguishing: how much to take, and how much of what's inside.
This site states directly: one capsule a day, ideally with breakfast and a glass of water at the same time each day, with 30 capsules forming a 30-day supply per bottle.
This site is direct that Lion's Mane and Bacopa are named but their specific amounts are not published, and the Neuro-Optimizer Blend and antioxidant support are not itemized or dosed at all.