A similar things occurs when athletes are asked to explain how they perform so well; if they attempt to show their skill straight afterwards, they will have a lot more trouble than normally because all of a sudden they start analyzing the actions instead of just doing them.
There is good news however; there actually occurs a physical reaction in best nootropics the brain which gives rise to the flow experience, so it's definitely not some spiritual experience that only a lucky few can capture.
Everything psychological is simultaneously biological. All your ideas, your mood, your urges; all are a results of the unimaginably complex interplay of the networks of neurons which are firing in your brain. With the ability to improve our brain functioning using brain supplements and neuroscience, it might be possible to easier induce flow state.