Nutrient Timing: The Future of Sports Nutrition
by John Ivy, Robert Portman

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• Airborne Effervescent Health Formula, Original Orange, 10 Tablets (Pack of 3)
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• Tanita BC533 Glass Innerscan Body Composition Monitor

Book Reviews of Nutrient Timing: The Future of Sports Nutrition

Book Review: Legitimate Science, Simple Guidelines
Summary: 5 Stars

The book's "bombshell" contention is that timed carbohydrate intake is more important than protein when it comes to building muscle. Nutrient Timing takes direct aim at what the authors call the "bulk nutrition" mentality: if protein is good, then more protein must be better. "Unfortunately," they say, "you can consume the protein of an entire cow, but if your muscles are not receptive at that particular time, the protein will be wasted." Ivy and Portman cite two conditions that make the muscles receptive to protein. The first is training. By disrupting muscle tissue, high-intensity lifting creates a short-term demand for protein in the muscles.

The second key is insulin. Studies show that insulin increases net protein balance in three ways: 1) it increases amino acid transport into the muscle, 2) it stimulates the enzymes that make protein from amino acids, and 3) it reduces the breakdown of protein. To get the full anabolic benefits of insulin requires that you maximize its release after your workouts. Protein is a weak stimulator of insulin. Carbohydrate is a much stronger stimulator of insulin. When carbohydrate and protein are taken together after a workout, insulin release is much greater than when protein is taken alone and it acts as a kind of fuel injector that drives protein synthesis.

According to Ivy and Portman, the ideal post-workout supplement will have three to four times as much carbohydrate as protein, and they've got the science to prove it. For example, in one study they cite, a carbohydrate-protein supplement taken after a workout resulted in 38% more protein synthesis than a regular protein shake of the kind that most gym rats use.

Nutrient Timing slays many sacred cows of muscle-building nutrition, but in the end it is thoroughly convincing. It is also very practical, explaining exactly what to take and when. The only thing left for you to do is work out!

Summary of Nutrient Timing: The Future of Sports Nutrition

By apply the principles of the Nutrient Timing System, you'll be able to deliver the precise amounts of nutrients needed at precisely the right time to optimize your muscle-building agents and maximize muscle growth, while minimizing muscle damage and soreness after a hard workout. You'll even be less susceptible to colds. You can actually sculpt a better body with more lean muscle mass, less fat, and more power without changing your exercise program or even you total caloric intake. "Nutrient Timing" will show you how.

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