Vitamin B6 can also influence serotonin and dopamine levels, which can impact your sleep if taken too late, Keatley says.

SEVEN NEWS. MANY PEOPLE TAKE MULTIVITAMINS DAILY, BUT IS IT ACTUALLY NECESSARY? DARLENE MELENDEZ SPOKE WITH KOAT U-N-M HEALTH EXPERT DOCTOR ASHE TO BREAK DOWN HOW VITAMINS REALLY WORK. DOCTOR ASHE ...

"However, too much magnesium can cause stomach issues, so be careful." You also need a range of B Vitamins, including B12 and folate (also called folic acid), to maintain your health as you age.