Where it comes from: Branched-chain amino acids are essential amino acids (specifically, valine, leucine and isoleucine). They are essential, meaning we must get them in our diet because our bodies do not produce them, explains Sarah Currie, RD and personal trainer for New York City-based Physical Equilibrium LLC.
At what age do boys stop growing? The stopping date for male growth is just as variable as the starting date. Some men are done growing around the end of high school, while others continue into the college years. Puberty generally lasts two to five years, stopping around ages 17 to 19 for boys. At the end of puberty, the growth plates on the long bones close, which ends the normal period of growth, says Dr. Gettleman.
If you have a chronic disease, for example, this will affect your height. Most young women achieve their full height within 12 to 18 months after their first period. (around 16 years old) Most young men tend to stop growing at the end of puberty when they begin to shave regularly. (around 18 years old) but mainly girls stop growing around 17-18 and guys 20-21. Source(s): health class. amin Â· 8 years ago.