Abstract: A culture media, media supplement, or soluble matrix for cryopreservation or enhanced regenerative cell growth in culture and maintenance of multi-lineage differentiation potentiation. The inventive culture media, media supplement, or soluble matrix comprises a GAG composition comprising a sulfated GAG, such as chondroitin sulfate. A soluble matrix, a cell administration package or kit comprising the soluble matrix and a device for cell administration, and a method of use thereof, for administration of regenerative cells for treating a joint disease or other weakened or damaged tissue comprising the specified GAG compositions are further provided.