Delivery: PromoCell Mammary Epithelial Cell Growth Medium is available as Medium (ready to use) or as Medium Kit. The Medium (ready to use) consists of 1× 500 ml bottle of basal medium and 1× vial of SupplementMix. The Medium Kit consists of a 500 ml bottle of Basal Medium and the SupplementPack (a set of individual vials with pre-measured supplements) allowing the user full control over the media formulation. Adding the SupplementMix or the SupplementPack to the Basal Medium results in the complete Growth Medium. Basal Medium (with or without phenol red) as well as the SupplementMix and SupplementPack can also be purchased separately.