"There are few substances on the planet that do as much dopamine-boosting as caffeine. It’s one of the main reasons that green tea especially can induce a state of calm focus. If you prefer drinking tea to taking supplements, it’s generally recommended that you drink3 cups of green tea...
another stimulant, have been adopted as cognitive enhancers: drugs that high-functioning, overcommitted people take to become higher-functioning and more over
What makes experts so sure that we need phosphatidylserine is that the brain actually produces it. Aging slows the production of PS to sub-optimal levels. This is where supplementation comes into play.