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Failed Products
Amazon B12 Brand #1 Vitamin B12

B Vitamins · Amazon B12 Brand #1

Vitamin B12

HighUnderdosed

What the lab found

Failed NOW Foods independent testing of Amazon B12 supplements. Contained significantly less B12 than labeled amount.

Failure type · Underdosed

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

Source

NOW Foods independent testing, 2025

Safer alternative

Nature Made B12 1,000 mcg ($0.19/softgel, verified)

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