Yes, I would think so. I have not seen your tests, if you have any of your kidneys, so my guess about the cyst-BP connection is just that - a guess. But a very probable guess.
In any case, you may need to repeat the fasting experience. If I were you I would avoid dairy as well, or I maybe have raw goat yogurt, home made as you do, but in minute quantities and get more amino-acids from culturized nuts and green juices or slightly steamed greens. Also see how much Omega 3 replenishment you need, together with good Magnesium Potassium Calcium balance. .. and check vit D levels, since kidneys are crucial to getting the activated vit D.