This is because all eight vitamins in the B group are water-soluble. If you consume more of the vitamin than your body needs, it can be excreted readily and harmlessly in your urine. However ...

"I was taking a Multi-B, high-dose magnesium, also a multivitamin, plus eating lots of high B6 foods. "I think I was embarrassed that I, as a medical person, had not done due diligence on what I ...