Type 2 Ice cream

Cana said:

I don’t know what this means. Sorry

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The fat content of the ice cream can delay the rise in blood glucose so that it occurs long after you measured it and think it’s ok, thus lulling you into a false sense of security. But, more importantly for regular ice cream, the fructose portion of sucrose is likely to silently exacerbate insulin resistance so that what is ok today is a little bit less ok tomorrow. A cumulative effect of hepatic (liver) fat deposition that will be incrementally undetectable but which is likely to reduce insulin sensitivity over a period of time. As ever, blood glucose after eating something only tells half the story.

Listlad said:

I occasionally make my own keto ice cream, with sweetener and double cream and cocoa powder. It’s pretty good.

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Watch out for the amount of sweetener - if you have been low carbing for a while 'normal' sweetness is too much.
I am puzzled why the cream is boiled - gentle heat over hot water with the eggs mixed in will thicken the mixture - it is frozen custard, and it can be whipped to a froth to make it lighter when it cools.

Cana said:

About 15 mins short of the 2 hours it was 8.5 (this was lower than it had been so was still coming down)

4 hours later went to 5.0

Just now at 9.15 it was 5.7 having had ice cream at 11.30 ish

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I'm not sure when others would suggest testing if the spike can be delayed after eating icecream but if it were me and I really wanted to get a clear picture, I would test once at 30 mins, 60 mins, 90 mins and 2 hours, and maybe at 2.5 and 3 hours if you can afford the strips. If you want your sugar to remain stable, eat what keeps your highest spike under 7.8 (under 6.7 even better but unlikely with most carbs) and by the 90 - 120 min mark, optimal blood sugar is back in the low 6s or even 5s for healthy individuals but up to 7.8 (or 6.7 if you are pregnant) is what many accept as okay.

Spiking into the 8s, 9s and 10s (around 1 hour) will happen to some who are not diagnosed as diabetic (not diabetic because by 2 hours their levels return to 5 or 6 mmol) but I believe they probably already have a level of metabolic dysfunction (insulin resistance) if they spike that high on a regular basis and over time that will probably lead to diabetes for them too.