Mannatech controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2017
FDA compliance warning
The FDA warned Mannatech over alleged medicinal marketing claims and violations involving adulterated or misbranded supplements and good manufacturing practices.
2007
Unproven disease-treatment claims
Mannatech and sales associates were accused of making unsupported claims that Ambrotose and other products could treat or improve cancer, diabetes, autism, AIDS, and other conditions.
2006
United Kingdom medical promotion case
A United Kingdom medical regulator found that distributor Vivienne Balonwu had abused her authority as a doctor by promoting and selling Mannatech products for medical conditions.