100% Natural ? Natures Elite Equine Supplement. Active compounds like dopamine, norepinephrine and serotonin all act to calm the animal and promote a sense of well-being, helping to make the animal more relaxed and easier to manage. The burning of fuels at the cellular level (sugars and fats), and the normal functioning of the immune system, create a degree of oxidative stress due to the formation of reactive oxygen species. These free radicals can damage tissue unless neutralised by the antioxidant tools at the animal?s disposal. Green banana is recognised as an antioxidant rich feed with a wide spectrum of antioxidant compounds (phenolic, carotenoids, ascorbic acid or Vitamin C, tocopherols or Vitamin E, dopamine, flavonoids, and norepinephrine) which are primarily located in the peel.