Mannatech
3,9 out of 5 stars.
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About Mannatech

Mannatech, Incorporated, is a multinational multi-level marketing firm engaged in research, development, and distribution of "glyconutrients," the company's name for blends of plant-sourced saccharides. Mannatech was founded in November 1993 by Samuel L. Caster and is headquartered in Coppell, Texas. It operates in 24 countries, including the United –