Contact our regulatory affairs hotline at +1 800 673 8010.
This page allows submitting a complaint of misuse of the NSF mark and lists products and companies that are in violation of NSF's certification/registration policies.
To submit a complaint, provide feedback or report a suspected violation of a certified product or use of a registered trademark or certification mark, please contact our consumer hotline at +1 800 673 8010 or submit an online complaint/feedback form:
The products and manufacturers identified here are in direct violation of certification/registration policies, are making false claims of certification/registration, or have had certification withdrawn or suspended. The specific reason for each violation is detailed in each notification.
Violations may include: