Swanson, Mullein Leaf Extract, Standardized, 250 mg, 60 Capsules

Respiratory Health Herbal Supplement Traditionally Used To Support Respiratory Health May Help Support Healthy Mucus Membranes Source of Antioxidants For Overall Wellbeing Science-Backed Quality Since 1969 Swanson Mullein Leaf Extract capsules contain a standardized 4:1 extract of pure mullein leaf. Dioscorides, the ancient Greek pharmacologist who wrote the original Materia Medica, is believed to be the first to employ this herb traditionally used for respiratory support. This remains its primary use today, and herbalists from China to California still recommend it just as Dioscorides did over 2,000 years ago.