Few things feel better than a long hike in the woods, exhausting yourself as you soak in the fresh air and tranquility. Then, back to camp, where you chip away at those health benefits with packaged hot dogs slapped into a white-bread bun with a slice of plasticky processed cheese food.
Athletes and older adults have long used smoothies and shakes blended with whey protein concentrate – a powdered byproduct of cheese-making – to build or maintain muscle. More recently, food companies have sprinkled it into everything from breakfast cereals, Pop-Tarts and potato chips to bagels, tortillas and Starbucks drinks to meet growing consumer demand.