Our Best-Tasting High-Protein Snack Bar Ever. GNC Total Lean® Layered Lean Bars satisfy between-meal hunger with 16g of high-quality protein—and indulge your sweet tooth with delicious flavors from classic desserts and your favorite Girl Scout Cookies™. It’s like a candy bar—with what you really want inside. Reduce Feelings Of Hunger Between Meals With A Protein Bar. Goals feel a little further away when you’re hungry. Protein helps reduce the feeling of hunger—and with Layered Lean Bars you can bring a sweet, protein-packed treat anywhere. Keep It Fun With Classic And Exclusive Flavors. Why stick with boring protein bar flavors? Layered Lean Bars are available in decadent peanut butter pie, whipped chocolate mousse, seasonal flavors, and a variety of Girl Scout Cookie™ inspired favorites—including Girl Scout Thin Mints®, Coconut Caramel, and more! If You’re Going Gluten Free, These Are A Must-Have. Reducing or cutting out gluten might mean missing out on a lot of treats you used to enjoy. Layered Lean Bars have you covered - most flavors are gluten-free and only 190 calories per bar!