A phytochemical composition for treatment of sickle cell anemia has been developed. The composition is a solid mixture of inorganic salts and various organic compounds of herbal origin and obtained by extracting a mixture of five herbs namely Piper guineenses seeds, Pterocarpus osum stem, Eugenia carophyllum fruit, Sorghum bicolor leaves and Curcuma longa tuber with aquous solution of sodium/potassium bicarbonate and sodium/potassium carbonate and then concentrating the extract to obtain a powder. Also described are methods of preparation of extraction product and method of its use for treatment of sickle cell disease afflicted patients.