Andrew Huberman· PhD
zinc is interesting because you don't want to supplement zinc without copper there is a zinc copper ratio that is well-maintained in the body supplementation with one or the other will typically deplete the other and you know as a geriatrician there's a a zinc copper ratio things that we think of as kind of proxies for overall brain health not saying that the zinc copper ratio is the only thing but certainly supplementing with one or the other one would be careful