What is the difference between bovine colostrum and THIS PRODUCT?
A. The proteins in colostrum have almost no cystine content. Cystine is critically essential to the immune system. Although Growth Factors present in colostrum (including IGF-1, or Insulin-like growth Factor-1 which is effective in promoting muscle growth) are not affected by stomach acid, research published by one manufacturer of Colostrum (Vital Health News, Winter 1998, page 7) demonstrated that “the effectiveness of the immune factors present in colostrum is lowered by stomach acid.