Bryan Johnson does not eat meat, citing scientific evidence for optimal health without it.

“I don’t eat meat for two reasons. First, scientific evidence paints a path to optimal health without it. Second, very soon, AI may be as powerful and dominant to us as we are to animals. It’s prudent to keep this in mind.”

“I am vegan by choice, excluding the collagen peptides.”

“A lot of you asked um why I'm plant-based uh it's an ethical choice and it's very simple it's you know when I think about artificial intelligence a lot uh it's primarily where my brain's at and I feel like when uh as we give rise to AI at some point AI may become aware to some degree and it may make observations like how do you humans take care of other forms of intelligence and I think we want to have a clean record that I think we want to be seen as compassionate towards other forms of intelligence and I think we want to have a clean record that I think we want to be seen as compassionate towards other forms of intelligence and right now now I don't think it reflects well on us how we treat other animals so that is my personal opinion from a health”