Which of the following herbal products may be used to treat rheumatoid arthritis?

Ginger
Grape seed
Green tea
Glucosamine

Glucosamine

Rationale: Glucosamine is an herbal product that may be used to treat rheumatoid arthritis. Ginger is used as an antiemetic, anti-inflammatory, and for G.I. distress. Grape seed is an antioxidant and has anti-allergy properties. Green tea is an anti-cancer agent, lowers cholesterol, and is an antioxidant.