Oregano (Origanum vulgare) is an herb used to flavor foods. Considered safe in common amounts of food.

Oregano (Origanum vulgare) is an herb used to flavor foods. It is considered safe in common food quantities, but has little evidence of health benefits.

Oregano has olive green leaves and purple flowers. It is closely related to other herbs, such as mint, thyme, marjoram, and basil. Oregano contains chemicals that can help reduce coughs. Oregano may also help with digestion and fighting some bacteria and viruses.