Get summer-ready with OsoLean®

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Summer is around the corner, and what better way to look and feel your best than to get into shape?

At Mannatech, we believe in providing high quality weight management solutions that can help you to achieve your personal health goals; and now is a great time to take action!



OsoLean powder is a leucine-rich whey protein supplement with advanced peptide technology. This gold standard product is backed by two human clinical trials, one of which was a double-blind, placebo-controlled trial, the best type of trial possible. These studies, conducted on 169 overweight subjects ranging in age from 18-75 years, showed that consuming a reduced calorie diet and two servings of OsoLean powder (20 g/day leucine-rich whey protein [2.6 g leucine] and 500 mg calcium) supported fat loss while protecting against muscle loss.* 1,2

To support this fat loss it’s also important to maintain a healthy lifestyle through 30 minutes of exercise 4-5 days a week, diet management (see 30 day Purification Guide) and drinking plenty of water.

OsoLean is also a key component in Mannatech’s Refresh and Rejuvenate program, which is a great way to jumpstart a healthy weight management plan.

As you get ready for the summer, don’t forget to add OsoLean to your daily supplement intake and share your experiences with us at

FDA disclosure



1. Frestedt, J.L., Zenk, J.L., Kuskowski, M.A., et al. Nutr Metab (Lond) 2008; 5(8): 1-17.
2. Sinnott, R.A., Maddela, R.L., Nelson, E.D., et al. Open Nutraceuticals J 2009; 2: 36-

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