- Mullein Leaf Extract / Lopen (leaf extract), 180 capsules, is a dietary supplement from the American company Double Wood Supplements. The brand is a manufacturer of high-quality supplements and nootropics, certified under strict quality control in the USA. The product formula includes an extract of the leaves of the Lopen plant and contributes to the normal functioning of the respiratory system.
The Lopen plant (Verbascum phlomoides) is found in many parts of the world, and its flowers and leaves have a long history of use in folk medicine. Its extracts have been used to maintain respiratory and immune health. Research has identified many beneficial active substances in the leaves of the herb, including saponins, flavonoids, phenylethanoids and iridoids, which are usually extracted in the form of powder or oil.
The dietary supplement has an all-natural composition and includes an extract of the leaves of the Lopen plant (Verbascum phlomoides). It contributes to the normal functioning of the respiratory system, has antioxidant properties, relieves some gastrointestinal ailments and calms the nervous system. The product does not contain gluten and GMOs.