tablet matrix used to improve the solubility and absorption characteristics of poorly water soluble drugs sold as an integral component of various oral pharmaceuticals, namely, antacids, antispasmodics and anti-ulcerants, laxatives, anti-diarrhoeals, colorectal agents, cardiac drugs, drugs for the treatment of disorders of the central nervous system, cns stimulants, analgesics, antipyretics and anti-infammatory agents, muscle relaxants, hormonal, enzymal and steroidal preparations, drugs effecting bone metabolism, drugs affecting the genito-urinary system, diuretics and anti-diuretics, anti-infectives, anti-virals and immunological agents, electrolytes, vitamins and anabolic agents, bronchodilators, anti-asthmatics, expectorants, anti-tussives, decongestants, mucolytics and respiratory stimulants, oropharyngeal, aural and ocular preparations, anti-allergic drugs, desensitizing preparations, local and general anesthetics, oral and transdermal contraceptives, pharmaceutical preparations for the treatment of dermatological disorders, antineoplastic pharmaceutical preparations for inhibiting or preventing the growth and spread of neoplasms or malignant cells, and medical diagnostic reagents, for administration to humans