Research & Development Natural & Artificial Flavors High Protein 22 g Protein Excellent Source of Fiber Gluten Free America's #1 Selling Bodybuilding Supplement Brand‡ High-Performance Protein Energy Bar Nitro-Tech Crunch bars are a gourmet, high performance protein energy bar from MuscleTech - America's #1 Selling Bodybuilding Supplement Brand.‡ Featuring 22 g of protein, 5 g of fiber and gluten free, these bars offer guilty indulgence without the guilt. Since it's from MuscleTech - the brand with over 20 years of excellence and industry-leading innovation - you know it's a formula you can trust! ‡MuscleTech is America's #1 Selling Bodybuilding Supplement Brand based on cumulative wholesale dollar sales 2001 to present.