Hi my hight is 150cm i want to become taller...

can you increase height ?
first you have to go orthopedic doctor to do test to make sure of ability of increase height or not , this test is an x-ray test , and its used to check out a layer usually exist on the head of bones , and its reponsible of increase bones length , and usually it dissapear around 20 years old 
- if its still exist , you can increase height 
- if its already dissapeard , then your only option is surgery 
how to increase height at age 19 :
1. practice jumping and running sports such as basketball
2. avoiding stress 
3. have plenty of rest and regular sleep
4. using legs or lower weights during the day
5. using some vitamins suppliments after consulting your doctor 
what is the helpful vitamins and minerals that help you grow taller :
1. vitamin A
2. vitamin E
3. vitamin B1
4. vitamin D
5. vitamin C 
6. zinc