A new report issued by the Clean Label Project warns of critical levels of contaminants — ranging from heavy metals and pesticides to industrial chemicals like BPA and phthalates — among the most popular snack and nutrition bars on the market. Testing 165 top-selling bars from 50 leading brands, the Snack and Nutrition Bar Category Insights Report offers a comprehensive look at what athletes, fitness enthusiasts, and those seeking convenient and healthy on-the-go snacking options are really eating — and what’s left off the label.