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Tag: Supplement interference

Explore our medication guides and pharmacology articles within this category.

Can Vitamin B12 Cause a False Positive on Drug or Medical Tests?

3 min read
According to Boston Medical Center research, drug tests produce false positive results in 5% to 10% of cases. While pure vitamin B12 itself is generally not the direct cause, a false positive is a valid concern for individuals taking certain supplements containing B12, as other ingredients can interfere with common drug and medical tests.