Protein Pizzazz

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Recent investigations have indeed shown that that cyclists who consumed beverages enriched with a specific type of ‘protein’ called PeptoPro® during time trials had faster times and had reduced muscle soreness post-activity compared with those drinking traditional, carbohydrate-only sports drinks. What is PeptoPro? PeptoPro is a peptide derived from milk protein.

Specifically, it is derived from casein; thus, when casein is ‘cut up’ into smaller units, you end up with small di- and tri-peptides (two and three amino acids units) that are likely more quickly absorbed and therefore assimilated into the body.

In a study done at James Madison University, they had subjects complete two 60 kilometer (37.2 miles) cycling time trials. Each trial consisted of three simulated laps of a 20 km or 12.4 mile cycling loop, a 407 meter vertical climb, followed by a final five km climb.

Throughout the trial, participants consumed 200 ml (6.8 ounces) of a sports beverage, either PeptoPro enriched (CHO+PRO) or carbohydrate-only (CHO) every five km (3.1 miles), plus an additional 500ml (16.9 ounces) immediately after completion.

What did they find? All of the time differences between treatments occurred in the final 20 km or 12.4 miles of the time trial. Meaning that the benefits of the CHO+PRO drink takes place near the end of intense exercise. Therefore, cyclists rode 3% faster and produced 5% more power over the final 5 km or 3.1 miles of the trial.

Post-exercise plasma creatine kinase (CK), which is a measure of muscle damange, and subjective muscle soreness ratings were not significantly different between treatments. Nevertheless, post-exercise increases in CK and muscle soreness were 61% and 93% higher, respectively, in the CHO trial than the CHO+P trial.

Take home message: For those of you who participate in intense and prolonged endurance exercise, consuming a sports drink is good, but not good enough (heck, it’s better than water). However, if you consume a beverage that has carbohydrate and protein, recovery is enhanced, performance is better, and soreness diminished. PeptoPro is a special class of peptides derived from the milk protein casein that when combined with a carbohydrate-containing beverage, may indeed confer these benefits.

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Tweetman...i wanna say i used to use a product that was carb/di/tri peptide...i think i baught it at gnc, but it was costly, so i quit using it. i dont remember it being all that, but what do i know!