XPN Casein-X - 2lb 

Casein is the main protein in milk. It represents 80% of the protein in milk, the other 20% being whey protein.

Casein-X is a complete protein which is used to repair, maintain and build muscle tissues.

Casein’s advantage resides in digestion. It takes longer to digest and absorb. For this reason, it is used at bedtime so it has its effect during sleep.