20 g. See nutrition information for saturated fat content. The official protein bar of Spartan Race. Low Glycemic: Low-glycemic-index foods digest slowly for prolonged levels of energy. Fitness is Built: You're not done. You're a work in progress, building toward something great. That's why we made Clif Builder's - the great-tasting protein bar that makes every ingredient count - so you can get the most out of your workout. Builder's has 20 g of complete protein, with essential amino acids to help repair and build muscle, and carbohydrates to help replenish your muscle glycogen stores after a workout. Mary founder and owner of Clif Bar & company. Founder and owner of Clif Bar & Company. Clif bar family foundation. 1-800-Clifbar M-F 8-5 PST. clifbar.com. Made in Canada.