Native to India. Offers potent antibacterial, antiviral, antifungal, anti-inflammatory, and antioxidant properties. Also has been studied for potential anti-cancer properties and protective effects on the liver and kidneys. Very good for relapses of herpes-type viruses.
Side effects: Leaf and bark extracts are generally well tolerated.
Supercritical CO2 extracts and neem oil, if taken internally, can cause stomach and intestinal irritation. In a study of overdose in children, hepatic toxicity was noted.