Berberine supplement tests find seven products below label claims
Cata-Kor said seven of 20 Amazon berberine supplements fell below label claims, including one with no detectable berberine. The findings applied to the lots tested, and all samples passed microbiological screening.
Cata-Kor reported results on Nov. 5 from testing 20 berberine supplements sold on Amazon.1 Seven products fell short of their label claims, including one with no detectable berberine, the report said.1
Swift Laboratory measured berberine levels in an accredited lab, and the results applied only to the specific lots tested.1
All 20 samples also passed microbiological screening.1
