This product is prepared from healthy human plasma through a three-step chromatography purification process. It contains 100g/L of protein. The content of human immunoglobulin (γ globulin) is not less than 98%, while the rest mainly consists of small amount of albumin and trace amounts of IgA and IgM. The content of IgG monomers and dimers shall not be less than 95%. The composition ratio of the four subclasses of IgG is similar to that of normal human serum IgG subclasses.

The excipient of this product is glycine. It contains no antibacterial agents or antibiotics.