. Owners of PDAs using the Palm operating system (Palm OS) can download the National Nutrient Database at www.nal.usda.gov/fnic/foodcomp/srch/search.htm. A PDA must have approximately 2 megabytes of available memory to download it.
.S. Department of Agriculture (USDA) nutrient database (www.nal.usda.gov/fnic/foodcomp/search/) or websites such as www.caloriecount.com. Asking clients to log serving size and calorie information from Nutrition Facts labels can be helpful. Some chain restaurants provide nutrition information on company websites