Article Index > Authors > Jeff S. Volek Ph.D., R.D.

Australian researchers have shown that increasing availability of amino acids accelerates repair of damaged tissue. They decided to test the effects of hydrolyzed whey protein on intense exercise designed to cause significant disruption to muscle.

Young men performed 100 eccentric knee extensions, then consumed one of three supplements (water only, 25g of whey protein isolate or 25g of hydrolyzed whey protein isolate) immediately after exercise and again six hours and 22 hours after exercise.

Peak torque decreased to a similar extent in all groups (about 23%) after exercise but returned to baseline quicker (six hours after exercise) in the hydrolyzed whey protein group.

The results of this study indicate that hydrolyzed whey protein is an effective supplement to speed recovery of muscle function following intense exercise.

Reference: Buckley JD, Thomson RL, Coates AM, Howe PR, DeNichilo MO, Rowney MK. Supplementation with a whey protein hydrolysate enhances recovery of muscle force-generating capacity following eccentric exercise. J Sci Med Sport. 2010 Jan;13(1):178-81. Epub 2008 Sep 2.

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