You can, but keep in mind that it may be seen as socially unacceptable.
maybe maybe not
Semen is not known to be harmful to swallow. It may even possess protein. The only deterrent may be its taste.
seminal fluid -noun the fluid component of semen, excluding the sperm. ---- i got this information from:\ dictionary.com http://dictionary.reference.com/browse/seminal%20fluid
Increase water intake, eat nuts and drink grapefruit, and take selenium tablets.