Summary: <p>If you’re deficient in niacin (vitamin B3), you may have some strange symptoms. Find out how to spot a niacin deficiency and what you can do to fix it!</p> <p><br></p> <p>DATA: </p> <p><a href="https://bit.ly/4bL0xyK" target="_blank" rel="noopener noreferer">https://www.ncbi.nlm.nih.gov/pmc/arti... </a></p>
