Hi Janybaby,
High Blood Pressure and Pre Type2 Diabetes often go together the normal link is being overweight an having excess visceral fat - i.e. fat around the belly or internal fat.
However these 2 would normally be linked with Underactive Thyroid rather than overactive!
So I suggest that you start to cut out as much sugar, fruit juice and starchy carbohydrates: Rice, Pasta, potatoes, bread, cereals as you can easily manage. Add more food from meat, fish, eggs, cheese, nuts and leafy green (or at least above ground) vegetables. This works for most even if A). They aren't even overweight, B). They don't actually cut Calories at all.
C). They take no extra exercise (although still do some moderate exercise).
The above will A). Maintain your metabolic rate (unlike dieting which normally makes things worse by reducing it).
B) Will reduce your Blood Glucose and thus your insulin.
C). Start burning up any extra body fat, including internal body fat if you are Thin Outside Fat Inside (TOFI).
D). If all the above works then you will lose some weight, which will lower your Blood Pressure.
Two problems fixed with a simple 'Way Of Eating' approach.
Best wishes,
Ian