>>464Can swallowing semen enrich a protein poor diet? Unless you're gulping gallons of it each day, it's no substitute for real nutritious cuisine! It may be a good idea to keep in mind safer sex practices when considering whether or not to swallow.
although Just gulping one gallon of semen would feed the gulper 3,840 calories (assuming the low end of the range of 5 per teaspoon). This amount is appropriate only for a competitive athlete. Gulping gallons (7,000 to 11,000 calories) would be dangerous for most humans. The US RDA of calories per day is more in the range of 2,000. Hence, a poor diet would be greatly enhanced by 300-500 calories of highly nutritional foods. So gulping 1 or 2 cups of semen is a more appropriate and realistic suggestion.
TL;DR It's food but it won't get you the nutrition you need unless you're taking a 2 gallon a day it won't replace food. Unless you're almost dying or something.