As for boiled shellfish with sugar, this is actually a method of making it. Boiling sugar in water can add some sweetness to shellfish and provide some luster. However, this is not the decisive factor for the health of bagels. The taste and taste of bagels depend on the recipe and making method, and these factors may be different for different bakers and brands.
Generally speaking, as a bread food, the nutritional value of bagels mainly depends on the raw materials and formula used. Different shellfish may have different nutrients and health effects. However, as food, bagels can provide energy and some essential nutrients, such as protein, carbohydrates, fiber and vitamins.