Colostrum, also known as first milk, is a unique, natural combination of nutrients. Colostrum extract contains high concentrations of enzymes, essential amino acids, and vital substances (vitamins and trace elements). Pure Encapsulations colostrum is standardized to contain 40% immunoglobulins (IgG) and is derived from cow's milk. Like all Pure Encapsulations products, colostrum is produced according to strict international standards. To ensure long-term, consistently high product quality, the entire process, from production to storage, is constantly monitored. Internal and external quality control is implemented at every stage.