GNC Preventive Nutrition Cleansing Formula is a dietary supplement that contains a unique combination of herbs, enzymes, and acidophilus. It includes 750 mg of psyllium for digestive health, helping to ensure healthy and regular bowel movements. The formula also contains digestive enzymes to aid in nutrient absorption and acidophilus to maintain a healthy digestive tract. Additionally, it includes goldenseal powder, ginger root powder, and cranberry concentrate. The product is free from artificial colors and flavoring.