Learn how the discovery of vitamins, while a major scientific achievement, also became a way for the food marketers to convince the public about the next “magic bullet” for optimal health, a trend that continues today. Our confusion about what to eat to be healthy and the food industry’s response has deep historical roots. For instance, while we now think protein is great, at the turn of the century it was demonized, leading to the invention of breakfast cereal. From vitamin donuts to Wonder Bread to today’s gluten-free products, food companies have always been eager to sell products that seem to solve the