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Berberine · Nutricost
Goldenseal Root 600mg Extract
CriticalEmpty
What the lab found
Only 1 mg berberine found (expected 30 mg minimum). No hydrastine detected. Claims 600mg 'goldenseal root extract' but contains essentially none.
Failure type · Empty
No detectable active ingredient. The product is effectively inert.
Source
Independent lab testing, 2023