Peer-reviewed research
Vitamin B6 (Pyridoxine)--excessive dosage in food supplements and OTC medications
N. Barak et al., Harefuah, 2004
Read the originalRead on October 17, 2026
- What it is
- A 2004 review from Rabin Medical Center in Israel, published in Hebrew, of vitamin B6 sold without prescription in supplements and over-the-counter products, and of the clinical spectrum of vitamin B6 intoxication.
- How much weight it carries
- Peer-reviewed clinical review in Hebrew. We read only the English abstract, which does not give a dose threshold, so use it for the existence of toxicity, not for a safe limit.
Facts taken from this source
- A 2004 review of vitamin B6 sold without prescription warns that mega-doses of the vitamin may result in intoxication.
“Mega-doses of this vitamin may result in intoxication.” (Abstract)