That paper reads like it was written by an undergrad going through cargo cult motions of sounding like a scientist. And the evidence is still weak: many of those studies being summarized are studies where they poisoned rats and investigated whether onion juice has some kind of protection against the poison, as measured by testosterone levels.
That paper reads like it was written by an undergrad going through cargo cult motions of sounding like a scientist. And the evidence is still weak: many of those studies being summarized are studies where they poisoned rats and investigated whether onion juice has some kind of protection against the poison, as measured by testosterone levels.