If you are serious about your sport, you should be eating 5 or 6 times a day.
It is hard to eat several times a day with a busy schedule, but a Meal
Replacement (MR) can help you to achieve that  goal.

MR are compact meals that have protein, carbs and fat.
Most MR provide around 40g. of protein and the necessary fat.
What varies is the amount of carbs. This is the reason companies have
different kinds of MR (Regular, Lite, Low Carb, etc.).