Dried Bovine Colostrum
Cow colostrum is 50 to 60 percent protein, 30 to 40 percent of which is made up of the five immunoglobulins. Of particular interest are IgA (51 mg/100ml), and IgM (131 mg/100ml). Colostrum is also rich in vitamins and minerals, including vitamin C, D, B1, B2, B6, folic acid, iron, magnesium, zinc, copper, selenium and phosphorus. The vitamins found in the greatest quantities are vitamin A, vitamin B12, and vitamin E.