Specification :

Cat's Claw Extract 4%,15%,3% Alkaloids
What Is It?
Cat's claw, also known as Uno de Gato csp (its Spanish name), is a high-climbing, woody vine that grows profusely in the upper Amazon regions of Peru, Columbia, Ecuador, and other South American countries. At the base of the plant's leaves are two curved thorns that resemble the claws of a cat (hence its name); these allow the vine to climb up trees and other vegetation into the forest canopy. The herb's botanical name, Uncaria, is from the Latin uncus, for "hook."
Two species of cat's claw are harvested for medicinal purposes, Uncaria guianensis, used mainly in Europe, and Uncaria tomentosa, commonly imported into the United States. Among the herbal practitioners of South America, the two species are considered interchangeable.
For hundreds of years, people in the Amazon basin have used cat's claw to treat a broad range of ailments, ranging from cancer, arthritis, and stomach and liver disorders to skin conditions and even contraception. Traditionally, the herb's primary medicinal form has been a decoction, or crude extract, prepared by boiling the inner bark of the stem and parts of the root.
Scientific interest in cat's claw centers on the plant's immune-boosting and anti-inflammatory properties. There is early and speculative evidence that cat's claw may have antiviral and cancer-fighting potential as well.
In recent years researchers have identified two separate subspecies of U. tomentosa, which have important differences in their chemical properties. One contains mainly pentacylic alkaloids, substances responsible for the most well-researched effect of cat's claw, namely immune stimulation. The other type of U. tomentosa contains tetracylic alkaloids, which affect the brain and central nervous system and actually counteract the immune-stimulating effects of the pentacylic group.
Health Benefits
In the mid-1990s, once it became known that cat's claw had potential value for the treatment of serious conditions such as cancer, arthritis, and even HIV infections, it became one of the top-selling herbs in the United States. Unfortunately, this enthusiasm was not backed up by much clinical evidence. Very few well-designed clinical trials with human subjects have been done on cat's claw, but some laboratory and animal studies have been conducted.
Most of the anecdotal evidence (word of mouth only) indicates that it may help to improve inflammatory problems such as osteoarthritis (OA) and prostatitis, immune disorders such as lupus and rheumatoid arthritis (RA), and situations in which a stronger immune system is desired, such as cancer and HIV. On the other hand, some herbal researchers also point out that long-term use of cat's claw might overstimulate the immune system and do more harm than good for some of these conditions.
According to a 2001 article in Alternative Medicine Review, cat's claw also warrants further research because of the worldwide concern over viral diseases. Although these areas have not been fully explored, some experts believe that cat's claw may eventually have potential in fighting chronic viral infections such as AIDS, and also in combating cancer and immune-related conditions associated with aging.
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