Colostrum is the nutrient rich pre-milk that is secreted by the mammary glands of female mammals to nourish their young during the first 72 hours after giving birth. Colostrum has potent natural immune and growth factors which may assist in the maintenance or improvement of general well-being. Storage Conditions Store below 30°C in a dry place away from heat and direct sunlight. Protect from humidity. Always read the label. Use only as directed. If symptoms persist, please consult a healthcare professional.