I dont have any health issue, I m exercising daily 6 days a weak a moderate one hour in gym, Recent ultrasonic test showed that my bone density T-score is -1.5(Osteopenia) My age is 22 years old, so my questions are as followed 1) At which age our bones are fully mature and attain its full mineral density 2) can i take ashwagandha, gokshura, hadjod and Shigru lifelong?(any side effects?) 3) Is there any testosterone booster medicine in ayurveda for more muscle strength and growth?