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

Is your supplement on this list?

Instant safety check against 373 failed products plus 177 drug interactions.

More products that failed

Earth Bare

Berberine

Empty · Critical

Greabby Gummies

Berberine

Empty · Critical

GreenPeople Formula

Berberine

Empty · Critical

Satoomi

Berberine

Empty · Critical

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

Failed Products

No image

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

Is your supplement on this list?

Instant safety check against 373 failed products plus 177 drug interactions.

More products that failed

Earth Bare

Berberine

Empty · Critical

Greabby Gummies

Berberine

Empty · Critical

GreenPeople Formula

Berberine

Empty · Critical

Satoomi

Berberine

Empty · Critical

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