Stick On Your Nutrients: Vitamin Patches—Yay Or Nay?

Folic acid is a synthetic form of vitamin B9 that's often added to fortified foods and used in supplements. Learn about its benefits and sources, your risk of deficiency, and more.

“Fat-soluble vitamins in particular are prone to cause toxicity, as they ‘stick around’ for longer in the body,” says Moutafis. These include vitamins A, D, E, and K.

Even professionals can be confused about the difference between folic acid and folate. Both are forms of an essential vitamin – B9. And both play important roles in key functions of your body.