There are many things that influence blood glucose besides food. Exercise! (Different reactions to slow cardio vs intense resistance) Sleep, stress, etc. https://optimisingnutrition.com/oth...ddf-faq-part-9/

But if being "super, super good" means eating high fat, low carb, your blood glucose may be higher because insulin has to hold back more energy. Marty Kendall and Dr Naiman have explained "Energy Toxicity" well in many of their articles, and in the Big, Fat Keto Lies book, but this was the article that convinced me that only cutting carbs and replacing with fat was not the answer to get as lean as I wanted. https://optimisingnutrition.com/wan...making-you-fat/

I increased protein, reduced fat, and increased high fiber vegetables. There are many more links with details how to reduce blood glucose in my success story: https://forum.lowcarber.org/showthread.php?t=484995

The beginning of this one hour video (or podcast) explains why the carb-insulin model does not account for energy toxicity, and includes two simple memes of insulin holding in energy and oxidative priority. The dam analogy at minute 12:45, and why CIM is not complete explanation at minute 42
https://optimisingnutrition.com/ted...ng-in-ketoland/. The entire one hour is worth your time.