21g protein, 4g net carbs, 1g sugar keto-friendly Quest Birthday Cake Protein Bar. Bite into the celebratory taste of frosted birthday cake and let your cravings take you #OnAQuest.Quest Nutrition began in a small personal kitchen and grew into a global phenomenon. By providing people with high protein, lower in net carb and sugar bars, Quest has been able to expand into protein cookies, chips, pizzas and more. Join Quest in celebrating the foods you crave working for you, not against you.