Immunity Blend Oil>Cinnamomum verum. The maximum critical properties you’re searching out in an important oil for immune assist are antibacterial and antiseptic. Cinnamon has each of these residences and can consequently assist beautifully in boosting your natural defenses towards the season’s germs. Be careful even though, Cinnamon is taken into consideration a “warm” oil, which means that you’ll want to usually dilute it to use it correctly.