Movicol Adult Chocolate 30 SachetsEFFECTIVE RELIEF FROM CONSTIPATION WHICH WORKS BY REHYDRATING THE STOOL TO RESTORE COMFORTABLE BOWEL MOVEMENTS MOVICOL is macrogol 3350 + electrolytes Macrogol is a PEG high molecular weight polymer which is non toxic, pharmacologically inert, and virtually unabsorbed. The macrogol attracts and holds water in the bowel for effective stool softening. The electrolytes in MOVICOL help mitigate the possibility of electrolyte imbalance and dehydration.