Last month, Pepsi announced plans to cut back on the sugar and sodium content of its products. Earlier, the company said it would stop selling full-calorie sodas in schools.

Pepsi isn't the only company to get health conscious in recent years. Many health leaders have urged food makers to reformulate their products to reduce salt. This year, first lady Michelle Obama asked the nation's largest food makers to "step it up" and put less fat, salt, and sugar in foods.

Take a look at other moves by food makers to offer healthier products.