Modafinil is one of the strongest mental stimulants available on the market. In the beginning, this drug was given to patients suffering from narcolepsy and similar sleep problems. The results were great, but it turned out that modafinil can act as a powerful cognitive enhancer too.
L-Theanine is a compound that is to be found in the tea – the world’s most popular beverage after water. And as we all heard, tea has a powerful effect on several parameters of our health.