I believe zinc is super for boosting your immune system, even better than Vitamin C. Zinc is usually associated with high-protein foods such as beef, lamb, pork, crabmeat, turkey, chicken, lobster, clams, and salmon. Good vegetarian sources of zinc are milk and cheese, peanuts, beans, yogurt, and pumpkin seeds. All of those foods are Phase 1 friendly.
i dont know what foods you are allowed to eat but cauliflower has a lot of vitamin C!
P90X : If you were able to look inside of your cells and see your "good" enzymes increasing, your energy-producing mitochondria multiplying, your cholesterol falling, your arteries clearing, your blood vessels becoming more efficient, your muscles strengthening, your bone-density improving, and all of the remarkable changes that this program triggers, it would be clear that the scale and calipers are just insufficient ways of measuring success.