Review posted Shelley M. Reviewed by Shelley M. Rated 5 out of 5 Immune Boosting Goodness Olive leaf extract is a potent source of antioxidants that combat free radicals and help to support your immune system. It can help to make us less susceptible to catching a cold or flu. According to Webmd the antioxidants help by fighting cell damage that causes disease and reduce your risk of many illnesses. Consume this throughout the winter as a precautionary measure or when you start to feel a tickle in the throat coming on. Loading... Read more I recommend this product Was this helpful? 0 people voted yes 0 people voted no