Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...

Vitamin B6 can also influence serotonin and dopamine levels, which can impact your sleep if taken too late, Keatley says. “For individuals using a B-complex supplement, morning with breakfast is often ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." "Vitamin B12 helps keep our nervous systems and brains functioning properly. It's needed for the ...