Swanson ® FS Herbal Joint Care is a dietary supplement in capsule form. The preparation contains a combination of ingredients such as frankincense ( Boswellia serrata ), cats claw ( Uncaria tomentosa ), common cherry ( Prunus cerasus ) and white willow ( Salix alba ). Swanson ® FS Herbal Joint Care in capsulesFrankincense ( Boswellia serrata ), boswellia resin, can naturally support joint health and function.Cats claw ( Uncaria tomentosa ) as a natural support contributes to maintaining the good functioning of the immune system.Common cherry ( Prunus cerasus ) common cherry fruits contain vitamins C, A, E, beta-carotene, proteins, phenolic compounds and anthocyanins.White willow ( Salix alba ), also known as silver or common willow, occurs naturally in Europe, Africa and Asia. Willow bark extract is characterized by a rich composition of active substances.