The symptoms you are feeling when your
blood sugars get down to 150 may be related to your body adjusting to more normal
blood sugars and away from the higher ones. Depending on how you are losing weight (diet and exercise versus some kind of drug or medication), it may be related to that, but it's hard to say without knowing the how. The symptoms you have can be related to hyperglycemia, but not usually. I can't find much about Junovia, to know how it might be affecting you.