After reading your original post, I was going to say this:
The best thing to eat for fast fat adaptation is literally nothing. Do a zero calorie fast. For about 5 days straight every 2-3 weeks, for enough cycles that you can get into ketosis within 72 hours. This will be unpleasant, but trying to force your body to adapt quickly generally is. Also, it may cause health issues, but trying to force your body to adapt quickly generally does that.
Then I read this:
this is the first time since being diagnosed as a type 1 diabetic I have started to go full ketosis
...aaaaand now I think this, "Maybe multi day fasts aren't a good idea for an individual with impaired blood glucose regulation."
So my advice now is:
- Find and directly contact someone who has lived out the process you want to live out. In this case, that means find a Type 1 diabetic who spends a fair amount of time in ketosis, or at least a medical professional who has real life experience with exactly what you're trying to do. If you can't find these people, that is, in itself, fairly educational.
- Whatever you do, keep a close eye on your blood sugar. I don't know how often you check it now, but I would (not being a doctor) assume that you would want to check it upon waking, before at least one meal, and an hour or two after said meal.
Also, if you're going to take this seriously, and you're already poking yourself for blood all the time anyways, get a real ketone meter (if you haven't already). There are at least a couple companies that make combination glucose/ketone meters, so you can measure both values at the same time. The keto-stix that you pee on are not
inaccurate per se, but they are very much a blunt instrument. I would imagine that someone in your situation would want to know their actual blood ketone concentration, as opposed to what color their stick is.
All that being said, good luck! Type 1 diabetics have a life-long, uphill battle, and I applaud you for being proactive and trying to find the best way to manage your condition, instead of letting it manage you.