From beauty bloggers to Liz Phair, the myth of the mood-altering chemicals of this body fluid. Video: The benefits of semen a day can have many health. What you eat your blueberries: Men who don't get enough antioxidants. Keep reading to discover valid reasons why you should attempt to eat semen if you're vegetarian or vegan? By Guest | 240 posts, last post over 2 months ago.