The Essential Stack includes the most important foundational needs for your body's health and wellness. A full spectrum of vitamins, minerals, other micronutrients, omega-3 fatty acids, and more to help aid in everything from immune function and digestive health to weight loss, heart health, and sports performance. Immune System Maximization Improve Digestive Health Support Overall Health* This stack contains: Micro Factor or Micro-Factor Powder Opti-Greens 50 Full-Mega *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.