Most likely they will gain weight fairly quick, it depends on how many calories they burn in a day though.
I think out of all the answers, it should be genetic testing
Proteins help to build, repair, and maintain the body's structures. Animal foods typically have more protein than plant foods.In most cases, animal foods provide complete protein.Proteins are made up of amino acids and the body needs all 22 types of amino acids to function correctly. However, the body cannot produce nine of them. A complete protein source refers to a type of food that contains all nine.
