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I should’ve noted I avoid fruit products too. I have a banana a day, but I’m pretty sure that’s not the cause. :-)

Bananas have a ton of sugar.

Aside from that, you also need to avoid starches. Bread, pasta, potatoes, etc. they all spike your insulin.

Bananas have a lot of sugar. It's the reason I have only have a half of a banana when I choose to eat them.