Swanson Stinging Nettle Leaf is a dietary supplement in capsule form intended for adults. It contains powdered nettle leaf extract encapsulated in cellulose capsules. What properties does nettle have? Common nettle ( Urtica dioica ) is a well-known and valued herb that supports a healthy heart. It helps reduce the feeling of tired and heavy legs and helps maintain healthy circulation and venous function in the legs. It may also have a beneficial effect on the bodys vitality. It also plays a role in the proper functioning of the immune system. Just 1-2 capsules daily are enough to achieve the claimed beneficial effect. Each package of Swanson Stinging Nettle Leaf contains 100 capsules.