What's the best alternative to Adderall that does not need a prescription?

Huperzine A is a non-prescription alternative to Adderall that's gaining popularity for its ability to increase dopamine and function as a nootropic. It stimulates acetylcholine transmission but also affects the dopaminergic system, influencing areas of the brain involved in focus, decision-making, learning, and memory. Since Huperzine A is available over-the-counter in the United States, it offers an accessible option for those seeking cognitive enhancement without a prescription. However, Dr. Andrew Huberman advises gaining knowledge about how Huperzine A functions and considering its potential effects before usage 1.