Failure of an Internet-Based Health Care Intervention for Colonoscopy Preparation: A Caveat for Investigators

ceeded the daily adequate intake level (1500 mg), with more than 50% exceeding the daily upper tolerable intake level (2300 mg). Only 1% of meals had less than 600 mg of sodium, the “healthy level” for meals, according to the Food and Drug Administration.7 Almost 50% of meals exceeded the daily value for fat (65 g) and 25% exceeded the daily value for saturated fat and cholesterol. Furthermore, a dessert, if ordered, would add an additional 549 calories, 27 g of fat (43%DV), 13 g of saturated fat, 0.6 g of trans fat (68%DV), and 46 g of sugar. Meals identified by the restaurants as being “healthy” contained on average 474 calories, 13 g of fat (20%DV), 3 g of saturated fat (17%DV), and 752 mg of sodium (50% of the daily adequate intake level).