Touted as “the protein bar that works as hard as you do,” Clif Builder’s bars from Clif Bar, Emeryville, CA, contain 20 g protein and 23 vitamins and minerals per 2.4-oz serving. Three new flavors — Chocolate Chip, S’mores and Crunchy Peanut Butter — join the existing Chocolate, Cookies ’n Cream, Chocolate Mint, Vanilla Almond and Chocolate Peanut Butter varieties. Each bar sells for $1.99.