Tag: Vitamin c intolerance

Many people experience nausea or discomfort after taking vitamin supplements, a widely documented side effect. Understanding why your stomach is so sensitive to vitamins is the first step toward a more pleasant and effective supplement routine.

According to one report, roughly 86% of Americans take vitamins or supplements, yet many experience uncomfortable side effects like nausea or cramping. For those who frequently ask, 'What vitamins cause stomach issues?', the answer often lies in specific supplement types, dosages, and timing. Understanding the root cause of digestive distress is the first step toward a more comfortable supplement routine.