Cat's Claw plant
© 2018 Steven Foster

A cat’s claw monograph for the home

Latin Name: Uncaria tomentosa, Uncaria guianensis


Common Names: cat’s claw, uña de gato

This cat’s claw monograph provides basic information about cat’s claw—common names, usefulness and safety, and resources for more information.

Source: https://nccih.nih.gov/

Cat’s Claw Basics

  • Cat’s claw is a woody vine that grows wild in the Amazon rainforest and other tropical areas of Central and South America. Its thorns resemble a cat’s claws.
  • The two most common species are U. tomentosa and U. guianensis. Most commercial preparations of cat’s claw contain U. tomentosa.
  • Using cat’s claw for health dates back to the Inca civilization. Its historical uses have included for contraception, inflammation, cancer, and viral infections, and to stimulate the immune system.
  • Today, cat’s claw is used as a dietary supplement for a variety of health conditions including viral infections (such as herpes and HIV), Alzheimer’s disease, cancer, arthritis, diverticulitis, peptic ulcers, colitis, gastritis, hemorrhoids, parasites, and leaky bowel syndrome.
  • The bark and root of cat’s claw are used to make liquid extracts, capsules, tablets, and tea.

Cat’s Claw in Health Research

  • There have been very few high quality clinical trials (studies done in people) of cat’s claw.

Cat’s Claw Research Summary

  • There’s no conclusive scientific evidence based on studies in people that supports using cat’s claw for any health purpose.

Cat’s Claw Safety

  • Few side effects have been reported for cat’s claw when taken in small amounts.
  • Women who are pregnant or trying to become pregnant should avoid using cat’s claw because of its past use for preventing and aborting pregnancy.

Cat’s Claw References

  • Cat’s claw. Natural Medicines Web site. Accessed at naturalmedicines.therapeuticresearch.com/ on March 24, 2015. [Database subscription].
  • Erowele GI, Kalejaiye AO. Pharmacology and therapeutic uses of cat’s claw. American Journal of Health-System Pharmacy. 2009;66(11):992-995.

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PubMed Articles About


Source: National Center for Biotechnology Information (NCBI)[Internet]. Bethesda (MD): National Library of Medicine (US), National Center for Biotechnology Information; [1988] – [cited 2018 Apr 5]. Available from: https://www.ncbi.nlm.nih.gov/

Zhang, Z., Zhang, L., Xu, H., (2020) Effect of Astragalus polysaccharide in treatment of diabetes mellitus: a narrative review.

Diabetes mellitus is a chronic endocrine/metabolism disease characterized by hyperglycemia arising from defects in insulin action, insulin secretion, or both. Diabetes mellitus is often complicated by visceral lesions, which can lead to serious complications and death. A variety of new agents are in development for the treatment of the disease. Astragalus polysaccharides are monomer components extracted from the Traditional Chinese Medicine, Huangqi (Radix Astragali Mongolici), which have been studied widely for treating diabetes mellitus with promising effects in recent years. This paper reviews recent advances in experimental studies on the effects of Astragalus polysaccharides in treating diabetes mellitus. The effects of Astragalus polysaccharides on the etiology and complication of diabetes mellitus including insulin resistance and secretion, diabetic neuropathy, diabetic retinopathy, diabetic cardiomyopathy, diabetic foot, and infection complicated by diabetes mellitus are discussed.

Garima, S., Ajit Kumar, P., Marcy, DM., Sakthivel, R., Bhim Pratap, S., Nachimuthu Senthil, K., (2021) Ethnobotanical survey of medicinal plants used in the management of cancer and diabetes.

To conduct an ethnobotanical survey and document the traditional anticancer and antidiabetic plants used by the local tribes of Mizoram, Northeast India.

Chen, Y., Qin, J., Tao, L., Liu, Z., Huang, J., Liu, W., Xu, Y., Tang, Q., Liu, Y., Chen, Z., Chen, S., Liang, S., Chen, C., Xie, J., Liu, J., Chen, L., Tao, J., (2023) Effects of Tai Chi Chuan on Cognitive Function in Adults 60 Years or Older With Type 2 Diabetes and Mild Cognitive Impairment in China: A Randomized Clinical Trial.

Type 2 diabetes (T2D) is associated with the progression of cognitive dysfunction. Physical activity benefits cognition, but no evidence from randomized clinical trials has shown whether tai chi chuan has better long-term benefits than fitness walking in cognitive function for patients with T2D and mild cognitive impairment (MCI).

Borse, SP., Chhipa, AS., Sharma, V., Singh, DP., Nivsarkar, M., (2024) Management of Type 2 Diabetes: Current Strategies, Unfocussed Aspects, Challenges, and Alternatives.

Type 2 diabetes mellitus (T2DM) accounts for >90% of the cases of diabetes in adults. Resistance to insulin action is the major cause that leads to chronic hyperglycemia in diabetic patients. T2DM is the consequence of activation of multiple pathways and factors involved in insulin resistance and β-cell dysfunction. Also, the etiology of T2DM involves the complex interplay between genetics and environmental factors. This interplay can be governed efficiently by lifestyle modifications to achieve better management of diabetes. The present review aims at discussing the major factors involved in the development of T2DM that remain unfocussed during the anti-diabetic therapy. The review also focuses on lifestyle modifications that are warranted for the successful management of T2DM. In addition, it attempts to explain flaws in current strategies to combat diabetes. The employability of phytoconstituents as multitargeting molecules and their potential use as effective therapeutic adjuvants to first line hypoglycemic agents to prevent side effects caused by the synthetic drugs are also discussed.

Chen, YK., Liu, TT., Teia, FKF., Xie, MZ., (2023) Exploring the underlying mechanisms of obesity and diabetes and the potential of Traditional Chinese Medicine: an overview of the literature.

Obesity and diabetes are closely related metabolic disorders that have become major public health concerns worldwide. Over the past few decades, numerous studies have explored the underlying mechanisms of these disorders and identified various risk factors, including genetics, lifestyle, and dietary habits. Traditional Chinese Medicine (TCM) has been increasingly recognized for its potential to manage obesity and diabetes. Weight loss is difficult to sustain, and several diabetic therapies, such as sulfonylureas, thiazolidinediones, and insulin, might make it harder to lose weight. While lifestyle changes should be the primary approach for people interested in lowering weight, drugs are also worth investigating. Since some of the newer glucose-lowering medications that cause weight loss, such as glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and sodium-glucose cotransporter 2 inhibitors (SGLT2i), are additionally utilized or are under consideration for use as anti-obesity drugs, the frontier between glucose-lowering medication and weight loss drugs appears to be shifting. This review provides an overview of the literature on the underlying mechanisms of obesity and diabetes and the prospect of TCM in their management. We discuss the various TCM interventions, including acupuncture, herbal medicine, and dietary therapy, and their effects on metabolic health. We also highlight the potential of TCM in regulating gut microbiota, reducing inflammation, and improving insulin sensitivity. The findings suggest that TCM may provide a promising approach to preventing and managing obesity and diabetes. However, further well-designed studies are needed to confirm the efficacy and safety of TCM interventions and to elucidate their underlying mechanisms of action.


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PubMed Articles About


Source: National Center for Biotechnology Information (NCBI)[Internet]. Bethesda (MD): National Library of Medicine (US), National Center for Biotechnology Information; [1988] – [cited 2018 Apr 5]. Available from: https://www.ncbi.nlm.nih.gov/