The active ingredients of White willow bark Extract is Salicin.  Salicin is closely related in chemical make up to aspirin and has a very similar action in the human body.

Salicin is an alcoholic beta-glucoside. Salicin is produced in willow (salix) bark and acts as an anti-inflammatroy agent in the human body. Salicin is also commonly found in the bark of Populus species, and the leaves of willow and polars. It is also found in castoreum, which was used as an analgesic, anti-inflammatory, and antipyretic. The activity of castoreum has been credited to the accumulation of salicin from willow trees in the beaver's diet, which is transformed to salicylic acid and has an action very similar to aspirin. Salicin was the historical origin of aspirin and is chemically related to it.

Function:

1.It has the same effect on the body as aspirin without any of the side effects;

2.Anti-inflammation, fever relief, an analgesic, Relieve acute and chronic pain, including headache, back and neck pain, muscle aches, and menstrual cramps;

3.Anti-rheumatism and function of constringency, an astringent, Control arthritis discomforts. Some arthritis sufferers taking white willow bark have experienced reduced swelling and inflammation, and eventually increased mobility, in the back, knees, hips, and other joints.

 Application

1.Applied in cosmetics, it can inhibit whelk and relieve swelling and pain.
2.Applied in pharmaceutical field, it is mainly used to curing fever, colds and infections.
3.Applied in feed additive, it is mainly used as feed additive for diminishing inflammation and promoting digestion.