| A minor fraction of whey, lactoferrin appears to have a wide varietyof uses in biological systems and is considered a first line immunedefense in the human body. Though a natural component of cows andhuman mothers milk, lactoferrin is found throughout the human body.7,8 Published studies that have examined the use of lactoferrin as a supplementand its beneficial effects on immunity have been quite promising.9-11*First, lactoferrin helps to maintain a proper level of “good” bacteriain the intestinal tract, while controlling the number of “bad” bacteria.12-15* Probably lactoferrins best-known role is as an iron binding protein.The mechanism appears to lie with lactoferrins ability to bind iron,as it is known to have an extremely high affinity for this metal.7-17* There is little doubt that lactoferrin is a major find and a potentialbreakthrough as a natural nontoxic immune enhancer.9-11* Thougha handful of companies are able to produce lactoferrin at this time, thereis only one company producing the apolactoferrin (iron-depleted) formin large quantity. Studies suggest that the superior form to supplementwith is apolactoferrin.18* | 
