Modafinil stack is a combination of two or more Nootropics to get their effectiveness. It is done to get a greater positive effect than what you get from a single Nootropic. Modafinil stacking helps lower the possible side effects associated with each Nootropic. It enhances the potency of each Nootropic in the stack. Grouping of several Nootropics provides greater health benefits.

For more information, read this blog about Modafinil stacking.