Harness the power of herbal extracts and restore confidence in your immune system. Dr. Berg Emergency Immune Support, is an exclusive proprietary formula combining essential nutrients with six phytonutrient-rich herbal extracts. One serving delivers 2,000 IU of vitamin D3 and 1051 mg of our proprietary herbal blend to offer you peace of mind when you feel most vulnerable. Take Emergency Immune Support before flights, concerts, and other large events or when feeling under the weather. Each bottle includes 30 servings of easy-to-swallow tablets. Dr. Berg Emergency Immune Support is backed by our 30-day money-back guarantee!