Global regulators reassess high-dose vitamin B6 safety for Thai readers
A rise in self-directed supplementation has sparked fresh concerns about vitamin B6 toxicity. New research and regulatory scrutiny suggest that excess intake may cause nerve damage at lower doses and shorter exposures than previously understood. Australia’s Therapeutic Goods Administration signals it may have underestimated adverse effects, prompting tighter scrutiny of high-dose B6 products. This reflects a growing global move toward cautious use of over-the-counter vitamins.
Vitamin B6, or pyridoxine, supports metabolism, brain function, immune health, and red blood cell formation. It is common in multivitamins and is often taken during pregnancy or to ease premenstrual symptoms. For most adults, daily needs are roughly 1.3 to 1.7 mg. In Thailand, typical diets provide ample B6 from meat, grains, fruits, and vegetables, reducing the perceived need for extra supplementation.