Liquid protein shake diets can be a convenient means of weight loss because they take the guesswork out of what and how much to eat. The plans are usually laid out in an easy to follow format and provide dieters with the opportunity to break their old eating habits. The protein shakes are also usually portion-controlled and provide users with many essential vitamins and minerals.
WonderSlim
WonderSlim offers high-protein, low-calorie weight-loss products that include protein shakes, meal replacement bars, diet fruit drinks and pudding. Dietspotlight.com reports that they offer a starter kit that includes a variety of products. The starter kit also comes with diet support, available by telephone or email, meal plans and a lifestyle guide. The WonderSlim products are made for men and women, regardless of age or fitness level. The protein shakes are available in chocolate mint, vanilla, strawberry, chocolate and mocha.
Optifast
Optifast is liquid protein diet designed for people who are at least 50 lb. overweight and it is produced by Novartis Medical Nutrition Corp. As of October 2010, the program is available only in hospitals and clinics in the United States. In other parts of the world, most notably New Zealand and Australia, the plan is offered in pharmacies. The program was developed in 1974 and Everydiet.org reports that more than 1 million overweight people have used the program. Lifestyle education, personal support and portion control education are also provided with the program. The plan lasts 26 weeks, which includes at least 12 weeks of 100 percent meal replacement. After which, participants slowly transition to solid food. Physical activity is also encouraged.
Slim Fast
Slim Fast is a weight-loss program consisting of protein shakes and protein bars that entered the market more than 25 years ago. Slim Fast is owned by Unilever and operates under the name Optima. Everydiet.org reports that Slim Fast's success was hampered when users became unhappy with the large amounts of sugar in the protein drinks. The company switched to using the artificial sweetener Splenda to solve that problem. Slim Fast's plan entails having a shake for breakfast and lunch and then eating a sensible dinner made from healthful whole food. The shakes come ready to drink and each contains approximately 180 calories, 10 g of protein, 24 g of carbohydrates, 5 g of fat and 24 essential vitamins and minerals.
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