The food industry profits from providing poor quality foods with poor nutritional value that people eat a lot of.
The best advice is to avoid foods with health claims on the label, or better yet avoid foods with labels in the first place.
Paradoxically Americans are becoming both more obese and more nutrient deficient at the same time. Obese children eating processed foods are nutrient depleted and increasingly get scurvy and rickets, diseases we thought were left behind in the 19th and 20th centuries.