Have you been to Fitzee Foods in Point Loma? This store sells "fresh, organic, all-natural, ready-made meals."
What we also like about this place is that they encourage good health behaviour by hosting yoga and boot camp classes and various talks. They don't just talk the talk... they walk the walk! Employees are very friendly here and try to help you pick out meals that you may enjoy. There are several sized meals to choose from based on the amount of calories you'd like to consume.