DUB PP are hard fat suppository bases and are a mixture of triglycerides, diglycerides and monodiglycerides which may be obtained either by esterification of natural fatty acids with glycerol or by inter-esterification of natural fats. Each type of hard fat is characterised by its melting point, its saponification value and its hydroxyl value. These suppository bases, DUB PP, are made from vegetable fatty acids. They are presented in non-toxic, neutral pellet form allowing for easier use. Moreover, they do not contain any oxidizing or stabilizing agent.