Low carb diet but extra high glucose with carbs

[katers87]

Other people on LCHF diets have also experienced this.

Increased carb sensitivity on low carb diet

You know, there might be quite a lot in this. If the “fat-adaptation” ideas are right, in that your body becomes accustomed to utilizing fats for fuel rather than glucose, there might be a lag period when you load up on carbs. Since your body is still utilizing stored or consumed fats, it “ignores” the carbs in your meal and your BG rises beyond what your basal+bolus would normally handle (because your liver and muscles aren’t taking in glucose to form glycogen at all). I think you’re on to so…

This poster may also be describing something similar to your situation:

Insulin effectiveness

Has anyone experienced, over a sustained period of time, a situation where insulin is REALLY unreliable? Over the course of the last month or longer, I feel like I’ve had about a 50/50 chance of my insulin doing much of anything. I use Omnipod and I’ve seen this across 6-7 sites, with different types of insulin (switched between humalog and novolog). Today has been the perfect example-- I had grilled chicken and lettuce for lunch (practically no carbs) and gave myself 4 units of insulin, which …

I’m not sure what the mechanism is, but it does seem to be a trend for people on LCHF diets.