You know how Dr. Jason Fung and some others say sugar substitutes (artificial or natural) cause significant insulin spikes, in some cases as bad as real sugar?
Wouldn’t the ketone meter work as a way to test this theory? Find your best time of day where you are in strong ketosis, for me it is like 10 PM or so, 6 hours after my last meal. Take a reading before, then a while after consuming say a large amount of the sugar substitute, check your BHB blood ketones again, to see if you are in a lower state of ketosis?