Traditional Chinese custom believes that fresh chicken is the most ideal tonic supplement, which frozen or chilled chicken could not be compared. Eu Yan Sang Pure Chicken Essence is made from fresh chicken. Prepared within 30 minutes before stewing to maintain the original nutrients of fresh chicken from water loss during freezing and thawing. Chicken contains rich protein and 18 kinds of amino acids. According to Chinese medicine practitioners, chicken can tonify qi, replenish health, strengthen immunity and increase physical strength. This health supplement also helps enhance concentration, eliminate fatigue, tonify blood, maintain vitality and improve the quality of breast milk.