Wintergreen is an herb. Wintergreen oil is made by steam processing of warmed, water-soaked wintergreen leaves. The leaves and oil are used to make medicine. Wintergreen leaf is used for painful conditions including headache, nerve pain (particularly sciatica), arthritis, ovarian pain, and menstrual cramps.The green coloured olive oil has anti-oxidizing properties due to which it is high in demand. It is stable in nature and is used as an effective anti-coagulator. The oil is a rich source of monosaturated fatty acids.