Costco shoppers are being advised on the best yogurts and other food items to purchase, with some outlets highlighting high-protein options and others focusing on superfoods or items that fit specific diets. The recommendations include various yogurts, as well as other snacks and food items that are reportedly available at discounted prices or are considered healthy choices. The specific items and their purported benefits are being discussed across multiple outlets, with some emphasizing seasonal or limited-time offerings.