Annual or biennial with sharp spines on its reddish-purple flowers. It has white markings on the leaves and milky white sap. Height: 5-10 feet. Blooms: July-August

In cases of acute hepatitis, milk thistle extract helps people recover more quickly and prevents the condition from becoming chronic. According to studies, it can help reverse liver cell damage, normalize elevated levels of liver enzymes, and improve such symptoms as abdominal discomfort, decreased appetite, and fatigue.

Tropical perennial with fleshy, yellow rhizomes. The large ovoid roots send up large lance-shaped leaves in tufts. Clusters of pale yellow flowers in dense spikes appear from late spring to midsummer. Height: Up to 2 feet.

Antioxidant that is also effective in reducing arthritis inflammation and stiffness. It has also been useful as a pain reducer. The German Commission E approved turmeric for many digestive disorders. It has been shown in early studies to clear toxins from the body and protect the liver from damage.

Annual grass up to 10 feet high, with plume-like male flowers. Female flowers produce cobs of yellow corn seeds. Corn silk is a soft filament or beard hanging from the husk of the corn cob.

Partly due to its significant potassium content, corn silk is a soothing diuretic for almost all problems of the urinary system. It soothes and relaxes the lining of the bladder, relieves irritation, and improves urine flow and elimination.