UL Certification
Issued by UL Solutions (formerly Underwriters Laboratories)
CertificationAudit Scope
Product safety testing and certification. For supplements: GMP auditing, product testing, label verification through UL's dietary supplement program.
What It Proves
Product or facility has met UL's testing and certification requirements.
What It Does Not Prove
UL is primarily known for electrical/product safety — their supplement program is less established than NSF or USP. 'UL Certified' without specifying the program scope is vague.
How Vendors Report It
You may see this listed as:
UL Certified
Vendors Listing This Certification
Claims are at various verification stages. See individual profiles for assessment details.
Evaluating Manufacturer Credentials?
Our directory shows certification status, verification details, and assessment rationale for every listed vendor.