The supplement chain GNC announced on Monday that it plans to overhaul its quality control systems with new high-tech testing. The move comes after an investigation by the New York Attorney General that revealed the quality of supplements is highly variable, and many pills do not contain the ingredients they say they do or contain other ingredients that may not be on the label.
Most experts say that if you’re eating a healthy diet and don’t have an underlying health conditions that interferes with your body’s ability to absorb nutrients from your food, you generally shouldn’t need to take supplements. The same vitamins and minerals are often available in food. We’ve listed several popular supplements, and suggested a food that you should eat instead.