“Ketones are formed when your body uses fat for energy; they are a byproduct of rapidly burned fat (or excessive fat burning) and in the case of diabetes, along with hyperglycemia, can build up in the bloodstream to dangerous levels if not corrected.” (from Islets of Hope)
Gina Capone has some good advice about dealing with ketones.
How do YOU personally deal with ketones?
Here are some more topics about ketones in our Forum:
https://forum.tudiabetes.org/topic/search?q=ketones