Double Wood Supplements Mullein Leaf Drops for Lungs, 2 FL OZ (60 Servings), Supports Lung & Respiratory Health (Better Absorbed Than Capsules) Mullein Drops is up for auction in Health & Household. The current bid is $2.50, 75% below the $9.95 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.