Fat can break down into ketones which can be passed out via urine (i.e. leave the body without being oxidized to H2O and CO2).
This is noted in the article, in the caption under the second figure.
This is noted in the article, in the caption under the second figure.
(That's about 2 lbs every 3 days).
[0] https://www.diapedia.org/metabolism-insulin-and-other-hormon...
Not a viable alternative to dieting and exercise, of course, but maybe an alternative to liposuction or gastric-bypass surgery.