Comvita Olive Leaf Complex is a general, daily health tonic. It contains a very concentrated form of the same compounds that offer the benefits traditionally associated with the Mediterranean diet for heart health & well being. & fresh is definitely best. Scientific studies show that these compounds are more potent in olive leaf extracts made from fresh leaves than in reconstituted products. Comvita Olive Leaf Complex is an effective dietary supplement that supports the body's natural defense system against winter ailments & promotes year-round health & vitality. Comvita High Strength Olive Leaf Complex is free from gluten, corn, wheat, soya & dairy. It does not contain any GM ingredients. Suitable for vegetarians & vegans.