Muffins are like cupcakes. It is not a health food unless you make it out of whole wheat flour and less sugar with organic ingredient in it. But if you just bought it from a local bakery, there is nothing nutritious about it. For your guidance, muffins are filled with refined flour, sugar, butter, processed oils and additives. And if you check the calorie content, it is over the top too!
Alternative: Muffins made of whole wheat flour and organic ingredients are the best.