Best nootropic protocols?

Dr. Andrew Huberman discusses personalized nootropic protocols that involve using specific blends tailored to an individual's unique cognitive and physical requirements. He mentions a company called Thesis that offers custom nootropics designed to enhance specific mental functions such as focus, task-switching, or creativity, rather than a generic 'smart' boost. By taking a short quiz on their site, individuals can receive a kit to test various blends over a month, identifying which nootropics work best for their specific brain chemistry and genetics. Dr. Huberman himself has used these nootropic blends and found them to be a game changer for his cognitive performance 1.