Believe it or not, some people choose to drink urine on purpose. I love to have my face ridden by a dominant woman. It also contains, chloride, sodium, potassium, creatinine and other dissolved ions, and inorganic and organic compounds. If your partner is drinking the pee, make sure they drink a lot of water afterwards, to help dilute the vitamins and minerals they ingest. A lot of people have performance anxiety about peeing in a non-sexual way.
Via urine, so in that regard i think you’re safe to continue with said activities. Urolagnia (also urophilia, undinism, golden shower and watersports) is a form of salirophilia (which is a form of paraphilia) in which sexual excitement is associated with the sight or thought of urine or urination.