Despite its reputation for being a rich source of protein, you would have to swallow gallons of semen to see any health benefits. Here's what you should know. It's a platform to ask questions and connect with people who contribute unique insights and quality answers. This empowers people to learn from each other and to better understand the world. IsItSafe to Swallow Semen? Preventing Problems from Swallowing Semen.The nutrients found in semen keep the sperm alive and provide energy while they race to the egg. Their main energy source is fructose, a type of sugar. IsItSafe to Swallow Semen? Swallowing semen carries real STI risks but is otherwise generally safe. Here’s what the science actually says.For most people, swallowing semen issafe. It’s a nontoxic bodily fluid that your digestive system breaks down like any other protein-containing substance. Discover the health benefits of swallowing, including skin texture improvement and gut health insights. Understand protein content and STI risks involved with semen swallowing. There are huge gaps in what we know about sperm, from how they navigate to why sperm counts are tumbling.That would be like a man producing sperm the length of a 40m (130ft) python. Spermatozoa which arehealthyand take the right route are rare.