A Protein Hydrolysate With Carbohydrate Stimulates Muscle Protein Synthesis
A recent study on ten healthy male subjects comparing protein synthesis rates during resistance type exercise was recently completed. Just prior to exercise and every 15 minutes throughout the training session, subjects ingested a protein hydrolysate, combined with carbohydrate, or carbohydrates alone. It was found that, the protein hydrolysate+carbohydrates lowered whole-body protein breakdown (catabolism) greater than carbohydrate only and increased muscle protein synthesis (anabolism) rates, greater than carbohydrates alone.
GYM RAT RELEVANCE: This study was actually done on HEALTHY humans, which is somewhat rare in supplement research, where all too often studies are done on unhealthy/inactive subjects. Additionally the two concoctions and their impact on protein synthesis and degradation, was actually being looked at DURING exercise, further increasing the relevance of this studies results to gym goers looking for the optimal concoction to sip on during workouts.
On the contrary, this study only looked at acute effects, so without a longer term study, it’s difficult to know how great of significance these changes will bring about in lean body mass (LBM) changes in the long run. It also would have been nice had they compared the protein hydrolysate alone to the carbohydrate alone(controlling for equal calories). As always, more research is needed and this is a just a small peace of a large puzzle in nutrient timing science. Hopefully it will pave the way, for other researcher to build on and perform longer studies with more variables.
In conclusion: The outcome of this study showed, ingesting a protein hydrolysate with carbohydrates, during exercise, appears to be more effective than carbohydrate alone, for increasing whole-body and muscle protein synthesis, as well as decreasing muscle breakdown
Beelen M, Koopman R, Gijsen AP, Vanderevt H, Kies AK, Saris WH, van Loon LJ. Protein co-ingestion stimulates muscle protein synthesis during resistance type exercise. Am J Physiol Endocrinol Metab 2008 [Epub ahead of print]
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May 20, 2008 - 7:26 am MDT at 7:26 am
Very good information Sebastian. I have used the IntrAbolic with the WPH in and always get great workouts from it. I will have to introduce some Carb content in there and see how different that is to just the IntrAbolic alone. Keep up the great Science backed work Sebastian. AEN will have a great 2008 and will grow from strength to strength.
September 4, 2008 - 11:27 pm MDT at 11:27 pm
4cThank’s for greate post.0l I compleatly disagree with last post . llv
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