Threptin Biscuits

Iam 19 years weight was 40 kg and height 5'5 old.my inches

I am very thin.I want to buy some health.so I am beautiful.

You are underweight, for sure.
I think we need more fat and carbohydrates than the biscuits threptin They are simply packed with protein energy and strength ..
just a personal opinion, though, am not a fitness instructor.