Hi welcome to HCM

I have gone thru your query regarding increasing your body height .

It is very satisfying that you have started to practice yoga and stretching exercises , and drinking milk every day! Adding Suppliments full of anioxidants will further nhance your chances of growth .
You should leave any stone unturned in right direction All the best

For your info , It is not mandatory , that if your freinds or your parents are taller ,you should also be tall . Every body is an individual and gets ht., wt. complexion and other traits according to factors like genes relatively speaking , on hereditory factors , and some times also depends on psychological factor . Stress , Worry Anger affect badly to your health .
So ,not to worry . Put your right foot forward and excel .

And dear,in fact , you are only 16 yet ,your height can increase till 22 .
I would like to suggest you not to worry & care to focus on making modification to your diet and exercise habits first Proper nutrition and regular exercise are key!

There is no better option than physical exercise. walking is the best exercise to begin with also gives you well shaped body .
Modification in your life style , food habits -include fiber,essential nutrients & antioxidants in natural form ,cheeze, milk , butter , nuts , veges ,fruit , with required work out , Yoga , pranayam deep breathing ,Kpalbhatti Rolling When you are healthy , are the pillers of our strong immune system responsible for healthy disease free life .
Take Termeric powder1/2 spoon with hot milk before BF and Bed time helps
give resistance from diseases

Avoid processed foods carbs , sugar , fried ,fast foods , Tea , coffee ,alcohol and smoking , stress and Constipation all will produce biochemical and metabolic conditions in your body that will decrease your immunity, so avoiding is definitely the first step in the right direction to detoxing the body, boosting the immune system .

Always remember, to see your doctor / professional for further guidance

Hope this helps solves your query .Take care .All the best .Get well soon

Don't hesitate to come back in case of any further query