Supplements Guide: Side Effects & Best Multivitamins

Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.

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Folic Acid Deficiency and Sore Tongue

Published Jul,08 2011 | By Milton Kent

Folic acid is the synthetic form of folate, also known as vitamin B-9. To maintain the necessary levels of this vitamin, you need to consume folate daily because it is water-soluble and excreted in urine. Too little of this vitamin, and you can develop a deficiency.