Methylcobalamin B12

CriticalEmpty

What the lab found

ZERO vitamin B12 detected. Completely fraudulent product sold on Amazon.

Failure type · Empty

No detectable active ingredient. The product is effectively inert.

Source

NOW Foods independent testing, 2025

Safer alternative

Superior Source B12 1,000 mcg ($0.20/tablet, verified)

Is your supplement on this list?

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

More products that failed

Nature Made

Super B

Overdosed · High

New Chapter

Fermented Coenzyme B Complex

Underdosed · Moderate

Swanson

P-5-P (Pyridoxal 5 Phosphate)

Underdosed · Moderate

Pure Encapsulations

B12 Liquid

Mislabeled · High

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

Failed Products

No image

B Vitamins · Nextdia

Methylcobalamin B12

CriticalEmpty

What the lab found

ZERO vitamin B12 detected. Completely fraudulent product sold on Amazon.

Failure type · Empty

No detectable active ingredient. The product is effectively inert.

Source

NOW Foods independent testing, 2025

Safer alternative

Superior Source B12 1,000 mcg ($0.20/tablet, verified)

Is your supplement on this list?

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

More products that failed

Nature Made

Super B

Overdosed · High

New Chapter

Fermented Coenzyme B Complex

Underdosed · Moderate

Swanson

P-5-P (Pyridoxal 5 Phosphate)

Underdosed · Moderate

Pure Encapsulations

B12 Liquid

Mislabeled · High

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