Side effects are possible for any food, supplement, or medication, and everyone reacts differently to different products. Vitamin C, for example, may promote loosening of the bowels if taken in excess, and too much niacin (B3) may cause a disagreeable flushing. Experiencing unpleasant side effects of a supplement is by no means enjoyable, and it’s best for consumers to do their research before diving into any supplement approach. Generally, the worst side effects for vitamins – including B vitamins – are diarrhea, nausea, rashes, and vomiting. [1] (more…)
