Berberine · Nutrivein

Berberine

HighUnderdosed

What the lab found

Contained between 3-39% of claimed berberine content.

Failure type · Underdosed

Active ingredient measured significantly below the labeled amount, not therapeutic.

Source

NOW Foods Amazon marketplace testing, 2025

Safer alternative

Solaray Berberine Root Extract

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Lab data sourced from independent third-party testing reports. Educational only. Avelor does not provide medical advice.