Cloves can relieve the pain of headaches, arthritis and toothaches. Cloves are a spice commonly used in pies and other foods. The active ingredient is eugenol which is a natural pain reliever found in many over-the-counter pain creams. Cloves come in capsules, powders or in oil form.
Caution: People who are taking blood-thinning medications should use cloves with caution because clove oil can increase the risk of abnormal bleeding.