BU2B For instance, albumin is a fraction taken from Plasma. Plasma is one of the four components forbidden by the GB. But, the Governing Body allows the use of albumin. To get albumin you need blood donors. Furthermore, albumin is used to produce erythropoietin, which is used by Witnesses:
Questions From Readers
Would it be proper to accept a vaccination or some other medical injection containing albumin derived from human blood?
Frankly, each Christian must personally decide on this................Many find this noteworthy, since some vaccines that are not prepared from blood may contain a relatively small amount of plasma albumin that was used or added to stabilize the ingredients in the preparation. Currently a small amount of albumin is also used in injections of the synthetic hormone EPO (erythropoietin). Some Witnesses have accepted injections of EPO because it can hasten red blood cell production and so may relieve a physician of a feeling that a blood transfusion might be needed. (The Watchtower 10/1/1994, p. 31)
Note that though a small amount of albumin is used in EPO, you need many donors to produce it. In a private letter, the Governing Body has admitted the following:
...it is our understanding in many situations that blood from many donors would be needed to get sufficient amount of a required fraction for treatment......therefore, a Christian would carefully evaluate this possibility in determining whether to submit to having a minor fraction extracted from his blood (quoted from http://marvinshilmer.blogspot.com.br/2012/03/jehovahs-witnesses-can-donate-blood.html )
So, though Witnesses are forbidden to donate blood, they can use fractions taken from many donors. A double Standard theology.