How To Increase Height At The Age Of 18?

I'm 18 yrold I'm 5'10 mheight had not increased since i was 16. I'm desperate to increase my height because all my friends who were shorter than me have become tall i
Feel inferiority complex when i see someone taller than me i can't tolerate it i just want 6'1 height. I was considering speed height but is it effective and safe if i don't take it is there a chance it will increase further without any pills