What vitamins are bad for acid reflux? Multivitamins, especially the ones containing zinc, iron, or calcium, can aggravate the symptoms of GERD including heartburn.
Can taking vitamins cause acid reflux? Vitamins and nausea “Many people experience stomach pains, nausea and even diarrhea.” Vitamins and supplements can also aggravate gastroesophageal reflux disease, peptic ulcers, gastritis, irritable bowel syndrome and other digestive conditions, Dr. Lee says.
Can vitamin B complex cause acid reflux? Acid reflux is not an immediate side effect of taking vitamin B-complex supplements. However, very large vitamin pills can irritate the esophagus, triggering acid reflux, according to Dr.