Nutrients
Cloves (Eugenia aromatica) are an excellent source of manganese. They are a very good source of vitamin C, K, and dietary fiber. They are a good source of calcium and magnesium.

Anti Fungal
Eugenol is a chemical compound extracted from the essential oil of cloves and other spices. Eugenol has been shown to be an effective natural anti fungal against the T. mentagrophytes and M. canis dermatophytes (tinia or ringworm), and although tea tree oil is a more effective anti fungal, a combination of tea tree oil and eugenol was found to be more effective. Tests have also demonstrated that essential oil of cloves to be effective against Candida albicans.

Anesthetic and Analgesic
Eugenol is the principal chemical component of clove oil and is used in dentistry due to its analgesic, local anesthetic, anti-inflammatory, and antibacterial effects. It is used in the form of a paste or mixture as dental cement, filler, and restorative material.

Beta-caryophyllene, another component of clove oil, has also been shown to exhibit local anesthetic activity.

Cloves can be used in relieving a toothache by placing a single clove on the aching tooth. Clove oil can also be used by soaking in some cotton wool and then placing the cotton wool on the aching tooth.

Aphrodisiac
Extract of clove has been shown to enhance the sexual behavior of male mice. The results of the study resulted in a significant and sustained increase in the sexual activity of normal male rats, without any adverse effects. The results seem to support the claims for its traditional usage as an aphrodisiac.

Mosquito Repellant
The natural oil of clove is a natural mosquito repellant and can give protection against mosquitoes for 4-5 hours.

Cancer
Preliminary studies have suggested the chemopreventive potential of clove for lung cancer, and to delay and reduce the formation of skin cancer.

Cardiovascular Health
The compound eugenol from cloves has been found to be a potent platelet inhibitor (prevents blood clots).