Olajfalevél kivonat/Olive Leaf Extract 20% oleuropein/Olea europaea, 20 May 2019 Nutr Hosp. 2014 Dec 17;31(3):1427-33. doi: 10.3305/nh.2015.31.3.8400. Polyphenols benefits of olive leaf (Olea europaea L) to…