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Yes the package inserts for pharmaceuticals will inform you in regards to the preparation process in making the particular drug. Some things used in surgery, for instance Albumin, you would rarely have the opportunity or access to read the package insert. Package inserts, in very small print, will say derived from human plasma. Human plasma is 91% water, and the protein fractions that travel through your vessels can be separated from the plasma to be used in medications and some vaccines.