Quest Nutrition Blueberry Muffin Protein Bar If you're really short on time or have difficulty boiling an egg, reach for this yummy Quest Nutrition Blueberry Muffin Protein Bar ($23 for 12) as you're heading out the door. It's got five grams of net carbs in one bar. Image Source: amazon.com Quest Nutrition Blueberry Muffin Protein Bar $23 from amazon.com Buy Now