I'm very thin so I want to br fat.give me some tips

1 Be lazy, eat a lot of junkfood and candy and look cartoons.
2 Don't use any medication.
3 Don't wear thight clothes.
4 Stop training.

Both scandishake (milkshake) & pro-cal (powder which is added 2 food) are dietery supplements for added weight gain, these are prescribed by dieticians.