Rosemary, Sage & Thyme.  Rosemary is widely known as a powerful natural preservative and contains a number of antioxidants including carnosic acid and rosmarinic acid.  In addition to it’s preservative properties, has been suggested that sage boosts short-term memory performance which aids in training. Thymol, an active ingredient found in thyme, has been widely used as both a natural preservative and natural antiseptic.