I believe that if you are healthy and have a healthy diet, then taking 30+ supplements per day (even if you spend a ton of time researching which ones to take) has a net negative expected value on your health. The two fundamental issues are: Issue 1: That every supplement has: -a chance of harmful interactions with other drugs/supplements (and as you take more and more, the number of potential interactions grows quadratically - like supplements squared) -a chance of contamination (e...