Please keep in mind that Infinergii contains caffeine and other nootropics, all of which have their own list of potential side effects. However, the reason why people buy Infinergii and not buy a handful of nootropics is because we use Integrative Neuroscience to balance the ingredients and create a certain flow. So that any one physiological or organ system is not overused or irritated like what happens with most nootropics and drugs. We also use certain adaptogenic herbs from ayurvedic medicine to help reduce any other potential side effects. So compared to water, there are more side effects, but compared to something like coffee, there will be far less side effects on average.