4Life Fortified Colostrum is a bovine-sourced colostrum product featuring the immune system-boosting power of colostrum, fortified with additional key ingredients such as lactoferrin and lactalbumin, to reinforce and support the immune, digestive, and respiratory systems. This product contains unique ingredients that literally every human needs. Here at 4Life, The Immune System Company^™, we have been colostrum experts for over 20 years, so we’re confident you’ll love this product!