Sheep sorrel is a flowering plant considered a perennial weed. It is native to Europe, Russia, the Middle East and North Africa as well as being prevalent in all parts of the United States. Sheep sorrel has been historically used to treat inflammation, scurvy, cancer, and diarrhea.
It's full of minerals like calcium, magnesium, potassium, and zinc. It also has key B-vitamins like niacin and folic acid, and can lower blood pressure. Sorrel is a known anti-inflammatory: The ascorbic acid and other compounds in sorrel make it a potent anti-inflammatory and antibacterial drink.