of which are given below the excipients and or adjuvants are preferably chosen such that a non acidic fast dissolving tablet matrix is obtained other optional constituents may for instance be chosen from one or more of the following excipients and or adjuvants in the amounts indicated 0 to 10 wt preferably 1 to 5 wt of flow control agents the other excipients and adjuvants if used are preferably selected from diluents and carriers such as cellulose powder microcrystalline cellulose cellulose derivatives like hydroxymethylcellulose hydroxyethylcellulose hydroxypropylcellulose and hydroxy propylmethylcellulose dibasic calcium phosphate corn starch pregelatinized starch polyvinyl pyrrolidone povidone etc lubricants such as stearic acid magnesium stearate sodium stearylfumarate glycerol tribehenate etc flow control agents such as colloidal silica talc etc crystallization retarders such as povidone etc solubilizers such as pluronic povidone etc colouring agents including dyes and pigments such as iron oxide red or yellow titanium dioxide talc etc ph control agents such as citric acid tartaric acid fumaric acid sodium citrate dibasic calcium phosphate dibasic sodium phosphate etc surfactants and emulsifiers such as pluronic polyethylene glycols sodium carboxymethyl cellulose polyethoxylated and hydrogenated castor oil etc and mixtures of two or more of these excipients and or adjuvants the tablets obtained release the active ingredients rapidly and in a largely ph independent fashion with complete release occurring.