Yes, protein powder does increase muscle size, but only when used in combination with a workout routine.

When protein powder is consumed after a workout, its digested in the stomach where acid and enzymes break it down into amino acids.

The amount of protein powder you need to build muscle largely depends on your workout routine.

No, building lean muscle require a workout to encourage new muscle growth in combination with the intake of a complete protein source.

The best protein powder for muscle gain should be high in protein content, but low in fats and carbohydrates.

Protein powder works hand in hand with your workout routine to help you build muscle.

Whey protein powder should be consumed directly after a workout for muscle gain.

If you are looking to supplement your protein intake after a workout, whey protein offers the best value and most effective source of essential amino acids.

Lean muscle protein powder is one which is high in protein content but contains as little or no fat or carbohydrate.

All complete protein powders will aid with muscle recovery after a workout, but some protein powders are higher in leucine, which plays the largest role in muscle health.