Flora - Pain-Away - 30 Capsule(s) - NPN: 80033170 -- Looking for a natural way to relieve minor aches and pains? For thousands of years, white willow bark has been used in traditional medicine to soothe and ease. The white willow tree is the original source of acetylsalicylic acid (ASA) products like Aspirin. This natural herb contains salicin which, in combination with anti-inflammatory flavonoids, is said to help relieve pain.