| yep, I checked the 'net.
It is sold as bottled cow urine in India. It is not mentioned if it is for medicinal purposes.
Unless it has some synergistic effect with some other substance used in indigenous medical practice, I am almost sure urine, whether animal's or human's has no medicinal value nor nutritive value ( at least not significantly) when taken orally. (there are some hormones and antibodies that can be isolated from urine but that is outside the scope of this forum: besides they will be destroyed in the acid anyway)
I still don't see any merit in using it on orchids. As robb said it is your call.
If you decide to go along with that ideea it would be better you try it on a few plants first, at least for 4 months before applying it to all orchids.
Good luck.
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