Southern California Superfoods: Local Ingredients for Optimal Health Southern California is a treasure trove of fresh, nutrient-rich foods that can support optimal health. From the sun-drenched fields of San Diego to the fertile valleys of Los Angeles, a variety of superfoods thrive in this region, offering a wealth of health benefits. What are Superfoods? Superfoods are nutrient-dense foods that are packed with vitamins, minerals, antioxidants, and other beneficial compounds. They are often plant-based and have been shown to