'Remember that your body has to work to eliminate the excess vitamin from your body. US health authorities recommend adults get between 1.3 and 1.7mg of vitamin B6 each day and avoid exceeding 100mg daily. High doses of vitamin B6, meanwhile, can compound with sports drinks rich in electrically charged minerals called electrolytes. Chao also notes excess vitamin A can cause dry skin, flaking and hair loss in excessive amounts by damaging the skin barrier and reducing the production of protective oil. Additionally, vitamin B6 is believed to help convert the amino acid tryptophan into mood-boosting serotonin, which increases cortical arousal during REM sleep, when most dreams occur.

Source: Daily Mail April 11, 2026 23:38 UTC