There are lots of hormones in our body. The human growth hormone will be a great hormone that controls your body growth. Weight gaining of the body, growth of muscles and young feeling will be the functions of the growth hormone.
This hormone will regulate your blood sugar level and repair your body parts. This hormone will stimulate by other hormone which secrete by pituitary.
You should take a proper sleep. 6 7 hours sleep should increase for 8 9 hours sleep.
You should control your sugar intake. When your body secrete insulin pituitary will stop the growth hormone.
You should exercise daily. Then your body stimulate for secreting growth hormone.
You can take hormone by pills or something. But it will make many complications. So try to secrete hormones by naturally.