Blood sugar does tend to go up on anything that raises GH, as sero says. It shouldn't be of major concern in a younger, healthier person who exercises though.
As for bone density, I already told you about as much as I could before. You aren't over 60 years old. Results from that study are not likely to be applicable to you. And any changes in bone density either positive or negative are likely to be relatively marginal either way. I would not waste your time using this for bone density improvements, personally. But for recovery from workouts as you originally stated, it may be helpful in some minor way.
But you may not notice any positive subjective (ie, changes you can feel) effects (some do, some don't).
If you have major concerns about bone density, there are other drugs that are typically prescribed by a doctor. If you're not already on them, then I would suspect you don't have enough of a problem for them to worry. So if I was you I'd also not worry too much about it?
