There is growing evidence that leucine plays a key role in stimulating muscle protein synthesis. It has been shown that spontaneous administration of Leucine Defects in the muscle protein metabolism of older rats.
A French research team fed adult rats (age: nine months) and older rats (age: 21 months) for one month 18.2 grams Protein per 100 grams of protein standard food. The rats had access to their food for eight hours a day. Then the rodents were divided into two groups:
One group received leucine for one hour a day, while the control group received alanine - the rats had access to their standard bowl for the remaining seven hours of the day.
The second phase of the experiment lasted ten days. On the tenth day, the rats received either no feed (post-absorptive) or the enriched feed for one hour. As it turned out, that was Leucine Occurrence in the body of rats after Leucine-Supplemented diet twice as high as after the control meal. The researchers observed that in the post-absorptive stage, protein synthesis was improved in the adult rats, but not in the old rats. Through the Leucine intake a welcome stimulation was brought about here in the body of the aged rats. The conclusion of the researchers: “The positive effect of a Leucine Supplementation on postprandial muscle protein anabolism lasts for at least ten days. "
What does this research result mean for bodybuilding practice?
On the one hand, it underlines the importance of essential amino acids and that some amino acids are even more important than others. Bodybuilders and other strength athletes should consider consuming three to five grams of leucine after exercising.
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