They may hope that their love of animals will make them a hit with the ladies.
But vegetarian men are seen as wimps and less macho than those who like tucking into a steak – even by women who do not eat meat themselves, research shows.
Researchers gave hundreds of young men and women descriptions of fictional students varying only according to diet, and asked them to rate aspects of their personalities.
Perhaps not surprisingly, the vegetarian characters were seen as being more virtuous.
Further questioning revealed that men who do not eat meat were also viewed as less masculine than the others – even by vegetarians.