Premium Herbal Popular in Winter Certified 445 mg Dietary Supplement Did you know? Hyssop is known for its strong mint smell. In ancient times it was commonly strewn on floors to deodorize and purify the air. Today it is used in capsules, teas and aromatic rubs Health and longevity through the healing power of nature?that’s what it means to Trust the Leaf Hyssop (Hyssopus officinalis) is a perennial member of the mint family. In European folk traditions it was often used as a respiratory remedy. Our Hyssop is carefully grown, tested and produced to certified quality standards.