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Portion of protein every three hours is best for muscle building


Portion of protein every three hours is best for muscle building

Bodybuilders and other athletes who do weight training a couple of times a week build up muscle best if they take a portion of protein every three hours during the day. Dividing the portions in this way works better than taking protein every hour and a half or every six hours. Researchers at Nestle write about it in Nutrition & Metabolism.

Nutritionists need no convincing: strength athletes make faster progress if they consume more protein. There’s less known however about the effect of different sorts of protein and the effects of the intervals at which the protein is ingested. Daniel Moore, a nutritionist at the Nestle Research Centre in Lausanne, Switzerland and at the University of Guelph in Canada, is interested in the latter subject.

Moore performed experiments with 24 young men, all of whom did strength training 4-6 times a week. He got them to train their legs on a leg extension machine in his laboratory early in the morning before breakfast. After warming up with 5 sets at 60-70 percent of their 1RM, the men then performed 4 sets of 10 reps at 80 percent of their 1RM.

In the 12 hours following the training the men were given 80 g whey isolate. The BOLUS group were given 2 portions of 40 g whey – so one portion every six hours.

Another group, the INT group, were given a 20-g portion of whey every three hours, so they had four portions spread over the 12-hour period.

Yet another group, the PULSE group, were given a 10-g portion of whey isolate every one and a half hours. So in the 12-hour period the PULSE group were given eight portions of protein.

The synthesis of proteins in the leg muscle was higher the more the subjects spread out their protein intake. The same was true though for the breakdown of muscle protein too. In the end it was the athletes who had ingested a portion of protein every three hours who built up a little more muscle protein than the athletes in the other groups.


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