In a study conducted by Mannatech scientists and an independent statistician, eight weeks of OsoLean® powder consumption significantly increased weight loss and waist inches lost, significantly decreased BMI and appetite, and improved quality of life.* Study was at least partially funded by Mannatech.


Sinnott RA, Maddela RL, Nelson ED, et al. (2009) The modifying effects of a calcium-rich whey protein supplement (OsoLean® Powder) on weight loss and waist circumference in overweight subjects: a preliminary study. Open Nutraceuticals J 2:36-41.

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