Source Naturals Colostrum

A unique dietary supplement, the ingredient goes from a variety of proteins and biologically active compounds that are not present in normal milk Features of Source Naturals Colostrum Colostrum is normally secreted only in the first 48 to 72 hours after birth. Source Naturals Colostrum is true, bovine colostrum (not cheese whey), collected within the first 12 hours of production. It is then standardized so that the key proteins found in colostrum make up 30% of the finished product.