Cell MAb Medium, animal component free, is a complete medium that contains L-glutamine and is supplemented with 0.3% Difco Select Soytone, an enzymatic digest of soy. This formulation does not contain phenol red, Pluronic® F68 (Kolliphor® P188), or other surfactants. It does not contain attachment factors, which may need to be added if this medium is used with adherent cell lines.