And since the average ejaculation expels roughly 5 mL of semen, that means there are roughly 252 mg of protein in a single, er, serving. 'It has fructose and glucose (both are sugars), zinc, calcium, vitamin C, and a few other nutrients.'ĭid someone say protein? There isn't much of it: According to Healthline, a 2013 review of studies published in the Journal of Andrologyfound that the average protein concentration of semen is 5,040 milligrams (mg) per 100 ml. 'It also contains proteins and amino acids,' Bennett said. As Nelson Bennett, MD, urologist at Northwestern Memorial, previously told Men's Health, semen is 80% water. Other times, it sneaks up on you you have nowhere to spit it out, and down the hatch it goes.īut what happens when you swallow semen, anyway-besides an ensuing struggle to figure out what it tastes like? Does it have any nutrients? And what about the STI risk of swallowing semen? Sometimes, when mouths and penises do stuff together, people end up ingesting semen-it's simply a part of life.
