BRAND'S® Essence of Chicken can be taken straight from the bottle and is perfect at room temperature, chilled or warmed. Once opened, the contents should be refrigerated and consumed within 24 hours. Take it daily, anytime, anywhere as part of a balance diet. . For over 180 years, our ingredients and superior quality assurance has been trusted by generations. However, should you have any specific health conditions or concerns, it is best to consult with a physician first.