Flavored Protein Bar. 1g Sugar. 65mg Caffeine. 20g Protein. Equal to One Espresso Shot. ONE Coffee Shop Vanilla Latte flavored protein bars go above and beyond with 20 grams of protein and 1 gram of sugar, plus the espresso-shot-sized power of caffeine. With notes of vanilla and roasted coffee beans, it's a creamy and indulgent concoction that gives your day the delicious boost you need. Go ahead, grab one, and be your own BAR-ista!