Effective for Muscle Growth

Bodybuilders and athletes have used this supplement for decades.

Like other animal proteins, it contains all the essential amino acids that your own body is unable to produce naturally. Most importantly, it provides a high amount of leucine, which initiates muscle protein synthesis (9, 10, 11).

If you only consume a low or moderate amount of protein, it may help you boost muscle growth simply by increasing your protein intake (12).

One study compared those who took casein to two other groups. One consumed whey protein and the other had no protein.

The researchers found that the casein group experienced double the muscle growth and triple the fat loss compared to the placebo group. The casein group also experienced more fat loss than the whey group (13).

It may also enhance long-term muscle mass by reducing protein breakdown. This process occurs on a daily basis when your body is low on energy and amino acids. It’s accelerated during exercise or weight loss (7, 8, 14).

For this reason, casein is often used at night to prevent the protein breakdown that may occur, since you go through a relatively long period without food while you sleep.fit-young-man-pouring-powder-into-shaker-bottle

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