Quality High Bio Availability Guaranteed--Helps Strengthen Immune Response--Supports G I Tract Health--Biolipid Delivery System Fight back with Colostrum Plus! Your immune defense system gets depleted as you age. Colostrum Plus adds back antibodies and immune factors for dual action in the bloodstream and also in the GI tract. It helps maintain a robust intestinal lining and promote healthy intestinal flora. Its growth factors enhance stamina and support normal re-growth of tissue and lean muscle. Clinical studies show wide ranging health benefits and demonstrate the superiority of Colostrum Plus. Symbiotics guarantees minimums of 1.5% Lactoferrin (14 mg), 25% Immunoglobulins (240 mg IG), and 3% Proline-Rich Polypeptides (29 mg PRP), Colostrum’s most important component. This unique BIO-lipid™ coating insures bio-availability. Without this protection, other Colostrum products can be destroyed by stomach acids and offer limited benefit.