is it possible that this is simply sweat instead of actual pee? serious question...

eesmith · on Feb 20, 2019

The video covers that question.

The description of the details start at https://youtu.be/S32y9aYEzzo?t=88 . The "show more" for the video has a link to the researcher's paper at Dropbox. You can also read the paper at https://pubs.acs.org/doi/full/10.1021/acs.estlett.7b00043 .

The relevant text from in the ACS link "ACE, used in prepackaged foods,(18, 29, 30) is not metabolized by humans; it is completely absorbed and excreted exclusively in the urine,(29, 31)"

[29] Voltz, M.; Christ, O.; Eckert, H. G.; Herok, J.; Kellner, H.-M.; Rupp, W. Kinetics and biotransformation of acesulfame K. In Acesulfame-K; Mayer, D. G.; Kemper, F. H., Eds.; Marcel Dekker: New York, 1991; pp 7– 26.

[31] Renwick, A. G. The metabolism of intense sweeteners Xenobiotica 1986, 16, 1057– 71 DOI: 10.3109/00498258609038983