Save on Walden Farms Balsamic. Eating a salad is healthy, unless it's topped with high-calorie, high-fat salad dressings that can easily add hundreds of calories. Instead, eat "The Walden Way" and enjoy the Walden Farms Balsamic Vinaigrette Dressing. No calories, fat, carbs, gluten or sugars of any! Keto friendly and Kosher certified.