Cat's claw is one of the most powerful antiviral agents on the planet. Its antiviral compounds are very complex and pathogens such as viruses cannot become immune to these phytochemical compounds. Cat's Claw is one of our best tools against all viruses, sinus infections, sore throats, earaches, urinary tract infections (UTIs), bloating, bacterial overgrowth in the small intestine (SIBO), irritable bowel syndrome (IBS), migraines, lung infections and more. Consider taking cat's claw daily without alcohol.