Nerds Guava/Mango Chile: Flavor with other natural flavors. Laffy Taffy Guava/ Pineapple: Flavor with other natural flavors. Nerds: 45 calories per box. Laffy Taffy: 110 calories per 3 bars. 1 Nerds box 45 calories or 2 Laffy taffy bars 75 calories. Assortment may vary. Ferrarausa.com. Get in touch. 1-800-504-4018; Ferrarausa.com. Made in the USA with globally sourced ingredients.