Breathe easy, breathe deep. WishGarden Herbs' Deep Lung formula supports healthier lung function. It's great as a lung tonic and rehabilitator for city dwellers breathing dirty air, cigarette smokers or their housemates, medicinal marijuana users, or anyone who wants support for stronger and healthier lungs. * An herbal tonic for healthy, strong lungs.* * Promotes natural blood oxygenation.* * Gluten-free.* Deep Lung is not to be taken while pregnant or breastfeeding.