Amazon—the vast global internet enterprise that single-handedly shuttered countless smaller retailers—is putting the interests of big pharma ahead of the health and well-being of its customers. In a move that surely pleases the FDA and pharmaceutical companies, Amazon decided last month to no longer sell nicotinamide mononucleotide (NMN), a molecule naturally occurring in all life forms and vital in longevity. On the cutting edge of lifespan research, Amazon’s decision to remove NMN products is unrelated to safety issues. Instead, it hinges on a recent FDA decision announcing that because NMN is under investigation by big pharma as a potential new...