'Brain Pills'
But because they're still so new to the market, the truth remains to be seen just how effective they are. Something tells me, though, that this won't stop people from wanting to try them. In fact, according to a recent study (as reported by Bustle), the market is estimated to grow to "£4.5 billion by 2024." Evidently, this year and next will just be the tip of the iceberg for these performance-enhancing supplements.