Yes it is protein shake which is having a blend of whey and soya protein.Take approx. 25 gm powder every day along with milk. If you looking for weight gain then take protein supplement which is has only whey protein as a protein source.
Yes it is a type of protein shake and it's very famous for weight gainers. B protein is mixed in milk or juices. And the best available flavor is vanilla.
I don't know....I just had a lot of it and ended up having loose motion and gas trouble.