Boomers 100% Colostrum Powder contains natural growth factors and disease resistance factors in a natural, easily absorbable form. It is a protein supplement that is usually used in conjunction with whey for its unique benefits to the digestive & immune systems. Bovine Colostrum is used by a variety of individuals including powerlifters, older persons, those with digestion issues and anyone else aiming to benefit from its natural growth and repair factors.