> Premier bovine colostrum with immunoglobulins for effective immune support* > Colostrum is a special fluid secreted by a cow for about 3 days after giving birth > Highly nutritious with naturally occurring amino acids, lactoferrin and immunoglobulins > From grass-fed cows Colostrum-IgG™ features bovine colostrum with a whole host of naturally occurring immunoglobulins which effectively support immune health.  In addition, this concentrate delivers a full spectrum of multiple immune support agents, including naturally occurring amino acids, lactoferrin and immunoglobulins. Premier Colostrum is highly nutritious, sourced from high quality dairy milk using low heat processing.  Premier Colostrum meets high purity standards because it is obtained from a select group of dairy farmers who are dedicated to producing quality colostrum.  The purity of our colostrum is verified through the examination and screening of inorganic materials.