Colonoscopy—preparation

A colon cleansing solution, comprising:

• 130 to 250 g per liter PEG having an average molecular weight of 2500 to 4500 Da;
• and
• 15 to 20 g per liter of one or more alkali metal sulphates, alkaline earth metal sulphates or a mixture thereof;
• and
• 400 to 600 ml water;
• wherein the solution is free from ascorbate components.

A colon cleansing solution, consisting essentially of:

• 130 to 250 g per liter PEG having an average molecular weight of 2500 to 4500 Da;
• 15 to 20 g per liter of one or more alkali metal sulphates, alkaline earth metal sulphates or a mixture thereof;
• 400-600 ml water;
• optionally 0.5 to 5.0 g per liter sodium chloride;
• optionally 0.1 to 3.0 g per liter potassium chloride;
• optionally one or more flavoring agents;
• and
• optionally one or more sweeteners;
• wherein the solution is free from ascorbate components.