Yes, Thesis nootropics are legal. They are supplements that are proposed to have benefits such as increased energy levels, reduction of brain fog, and cognitive support. Moreover, Thesis products are not considered to be prescription medications although they may also cause certain side effects in some people. For this reason, it is best to consult your doctor before including them in your routine. Yes, Thesis nootropics are legal. They are supplements that are proposed to have benefits such as increased energy levels, reduction of brain fog, and cognitive support. Moreover, Thesis products are not considered to be prescription medications although they may also cause certain side effects in some people. For this reason, it is best to consult your doctor before including them in your routine.