High Dose Vitamin K2 for Bone and Testosterone Support?

I was reading some guys take mega doses(5mg-15mg) of Vitamin K2 and report bigger testicles, more energy, better sleep and less joint pain. I have read however, that Vitamin K2 can thicken blood, so I’m not sure if I should take it. My RBC is a little high and so is my blood pressure, due to severe allergies. I’m not sure if I should wait to take it until my sinus issues get fixed, or not bother taking it at all. I plan on doing an ostarine cycle, but want something for joint support that I can take daily. I have been taking hyaluronic acid and glucosamine, but they barely help at all. Not enough to warrant the expense anyway.