Herbs of Gold Lysine 1000 + Olive Leaf contains high-strength lysine to reduce symptoms of facial cold sores • Lysine 1000 + Olive Leaf contains 1000mg of the amino acid lysine plus a standardised extract of Olive leaf. • Lysine helps reduce the occurrence and relieves symptoms of facial cold sores. • Lysine 1000 + Olive Leaf can be taken for prevention or to provide acute symptom relief of facial cold sores. • Lysine maintains collagen formation and supports general health and wellbeing.