Product Review
Essential Defense is an enhanced classic Chinese formula, known as yÃn qiáo san, traditionally used to provide immediate immune support, especially following a sudden temperature change.*
- Supports immune defense with a blend of traditional Chinese herbs including licorice root, ginger, and isatis, designed to support healthy immune and respiratory function*
- Features a concentrated 5:1 proprietary herbal extract to deliver powerful antioxidant and inflammation response support for overall wellness and seasonal protection*
- Non-GMO, gluten-free, and vegetarian immune supplement crafted with high-quality herbal ingredients and tested for purity, safety, and potency*
- Produced in a cGMP-certified facility and Certified B Corporation; backed by over 40 years of scientific expertise and trusted by healthcare practitioners worldwide*
- As the #1 Doctor Recommended Professional Supplement Brand, Metagenics delivers clinically proven, precision-crafted formulas to support your health at its core—because true wellness starts with integrity, balance, and expertise