Both taking protein powder before and after a workout can be beneficial for promoting muscle recovery and growth.
Taking protein powder before a workout can provide your body with a source of amino acids, which are the building blocks of protein, that can help to support muscle metabolism and energy production during exercise. This can help to improve performance and endurance during your workout.
Taking protein powder after a workout, on the other hand, can help to support muscle recovery and repair by providing your body with a source of essential amino acids that can be used to rebuild damaged muscle tissue. Consuming protein after a workout can also help to stimulate muscle protein synthesis, which is the process by which your body builds new muscle tissue.
In conclusion, taking protein powder before or after a workout can both be beneficial for promoting muscle recovery and growth. The best time to take protein powder will depend on your individual needs and goals, as well as your workout schedule and dietary habits.