Option 1 -> While increasing knowledge is a benefit, it doesn't explain the specific reason for the recommendation.
Option 2 -> Marketing strategies typically don't align with health guidelines, which is why label reading is necessary.
Option 3 -> Celebrity endorsements relate to marketing appeal, not the purpose of reading labels correctly.
Option 4 -> Manufacturers may make misleading health claims about products, making it crucial to read labels carefully to identify deceptive information.
Hence, Option 4 -> The passage warns against supplements and ultra-processed foods, and emphasizes reading labels correctly because manufacturers can make deceptive claims that mislead consumers about nutritional content and health benefits, especially given that over 56% of non-communicable diseases stem from unhealthy diets -> correct