Many people that want to take cognitive enhancers or nootropics are usually concerned if they have bad side effects. We are here to tell you it really depends on the vendors you choose to purchase your supplements. All cognitive enhancers are safe if you follow the recommended dosage as well as do intensive research on the vendor. The most common cognitive enhancer that most people take is Adderall, however, this is more dangerous to your health than purchasing a more natural nootropic. So, if you are an advocate Adderall user we suggest you look for a nootropic alternative that can have better long term benefits to your overall health.