Viridian Avena Sativa Tincture is 100% Organic and certified by the Organic Soil Association. In folk medicine, oats (Avena Sativa) are used by herbalists to promote healthy mind and mood after trying times and may also aid healthy sleeping patterns. A tea made from oats was thought by herbalists to be useful in supporting healthy joints. A tincture of the green tops of oats was also used to help with withdrawal from tobacco addiction. Oats were often used in baths to aid sleep and promote peace of mind as well as a variety of skin conditions.