Melatonin regulates over 500 genes in the body and is crucial for regulating metabolism by shutting down certain processes to allow others to activate.

“it's a hormone, and it controls over 500 genes in the body, and as you mentioned, it's shutting down certain metabolic processes, and the shutdown of those processes are important for other ones to be turned on at certain times, so it's very important for regulating metabolism.”

“Well, melatonin is a hormone, regulates 500 different genes, I mean, it's 2.5% of the human genome. You know, it's, like you said, it's one of the most important hormones that regulate brain antioxidants activity.”

“It is a hormone. What other hormone do you just like buy over the counter in sort of unlimited amounts like it? >> Yeah, it is. It is a hormone. >> I think it's regulating like 500 different protein encoding genes.”