The Power of Whey Protein

By Sarah Gearhart

Whey protein, a naturally complete protein extracted from milk, promotes muscle growth and repairs lean muscle tissue. It's easy to digest and contains essential amino acids, which are important for muscle protein synthesis. Here's a look at four top whey protein powders.

EAS 100% Whey Protein®
Flavor:
Chocolate
30-serving container: $19.95
www.eas.com
Calories: 120 Carbs: 3g
Fat: 2g Protein: 23g
Powder power: With an upgraded formula and new taste, this powder includes a high concentration of glutamine and BCAAs for muscle growth. One scoop contains 23g of protein. EAS is in the process of becoming NSF-certified, which validates that their products contain no banned substances.

Champion Nutrition Pure Whey ®
Flavor: Chocolate
31-serving container: $27.95
www.champion-nutrition.com
Calories: 130 Carbs: 1.5g
Fat: 1.5g 26g
Powder power: With 11 percent leucine to help maintain lean muscle mass, this formula is highest in protein and lowest in fat and carbs per scoop.

GNC Pro Performance 100% Whey Protein®
Flavor: Chocolate
Three-pound container: $29.99
www.gnc.com
Calories: 130 Carbs: 5g
Fat: 2.5g Protein: 20g
Powder power: Each serving of this formula contains 2,300mg of leucine, an amino acid that promotes muscle protein synthesis. One scoop has 20g of protein. This product should not be used for weight reduction.

Designer Whey Protein®
Flavor: Chocolate
Two-pound container: $24.99
www.designerwhey.com
Calories: 90 Carbs: 2g
Fat: 1.5g Protein: 18g
Powder power: At just 90 calories per serving, this formula has enough protein to help you build muscle. Each serving contains ZinMag-6, which has been clinically shown to improve strength and recovery.