California based Symbiotics, Inc, specializes in immune strengthening colostrum supplements. Colostrum contains the perfect combination of immunoglobulins, growth factors, antibodies, vitamins, minerals, enzymes and amino acids to protect the body and promote healthy immune system function. The most popular product from Symbiotics is Lactoferrin with Colostrum Plus which is the only colostrum available with the beta-lipid advantage. [+]