how did you get involved in nootropics?wanted to be smarter, i grew up very competitive and wanting to be the best version of myself possible. >> reporter: four years ago jeff was working at a venture capital firm when he started digging around the internet and experimenting. >> tinkering with things from laboratories from china. >> you're just on the internet ordering things from china and wherever else, getting them, and trying them? >> honestly, in the beginning it was very experimental. >> reporter: today it's become more than just a hobby. business is booming. plus he's caught the attention and financial backing of top silicon valley titans. inside this tightly controlled lab, his team is pumping out thousands of these little pills every day. how many different pills are you making here? >> so for our company we have four different pill -- four different types of stacks. >> reporter: pills that claim to do everything from promoting immediate clarity, energy, and flow, to enhancing memory, stamina, and resilience. >> th

nootropics?me of the concerns >> the lack of controlled trials. lack rigorous scientific research. the lack of studies that actually try to study these different types of ai combinations. >> reporter: noodropibles stacks, mixes of individual incg from caffeine and l-thanine to herbal sup problems s ts to pirazapam. how did you get involved in nootropics? >> i wanted to be tbe the best f me possible. venture capital firm when he started digging around the internet and experimenting. >> tinkering witth>> you're jus ordering things from china and,d trying them? >> honestly, in the beginning it was very it's become more than just a hobby. business ise's caught the atten and financial backing of top silicon valley titans. inside thisb, hit team is pumpi thousands of these little pills every day. how many different pills are you making here? >> so for our company we haveur different types of stacks. >> reporter: pills that claim to immediate clarity, energy, and flow, to enhancing memory, stamina, and resilience. >> the approaching the human body as if

what are some of the concerns about nootropics. lack of controlled trials. rigorous scientific research. the lack of studies that actually, try to -- to study all of these different types of nootropics. >> nootropic stacks, individual components can include caffeine, and l-theonine, to piracetam. inside this lab, the team is pumping out thousand of the little pills. every day. pills that claim to do everything from promoting immediate clarity, energy, flow, to enhancing memory, stamina and resilience. the whole notion is approaching the human body as if we were -- from an engineer perspective. o optimizing, pro doversions of ourselves. >> you want to be a better human? >> we all want to be better versions of ourselves. >> reporter: though said to alter braid function they're not labeled as a drug but a dietary approval. some caution nootropics could have side effects. >> they're also interaction. one of the many ingredients on your blood pressure medicines or interact with something else. that's why we always recommend discussion and approval, by a treating

. >> reporter: nootropics, smart drugs.e brain function helping to improve memory, focus maybe make you brilliant. bradley cooper went from 0 to 100 in limitless. some saying not fiction. touting benefits from increased focus to mental stimulation. startups like nootrobox are helping rebrand smart drugs as part of the multibillion dollar supplement industry. if there is one really smart person in the world. great we have another einstein. if everyone was super smart. there is like an exponential amount of innovation going on. >> reporter: as these supplements become more main stream, some doctors are questioning whether the claims are too good to be true. what are some of the concerns about nootropics. lack of controlled trials. lack of rigorous scientific research. the lack of studies that actually, try to -- to study all of these different types of nootropics. >> reporter: nootropic stacks, individual components can include caffeine to to piracetam to herb. inside this lab, the team is pumping out thousand of the little p