Landmark Dietary Supplement Study

Changing Brands Can Change Your Life™

A landmark study—the first ever on a rare population of long-term dietary supplement users—showed that people who took multiple Shaklee supplements had markedly better health than other multivitamin and non-supplement users.


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Proven Superior Vitality

Shaklee supplement users retained normal levels of:

100% Shaklee Guarantee

Shaklee Vitalizer™ is based on an unprecedented 12 Shaklee clinical studies that show the difference. We believe that the quality we’ve put into it is the reason you can actually feel the quality of life you get out. That’s why it’s 100% guaranteed.

Clinical Studies
View the list of the 12 clinical studies on which Vitalizer is based.