Need help with a web-based tool for nutrition information

I am trying to recreate for the web what I built in excel. It's similar to a nutrition calculator but it includes calories, carbs and protein. In excel I have that SKIM MILK is x calories, x carbs and x protein. Whole milk is x calories, x carbs and x protein. I then have a drop-down that pulls from the liquid (skim, whole, etc) and then the values for calories, carbs and protein are displayed. I want a tool that allows a user to select a Milk, Fruit and an Extra and the total carbs, cals and protein are displayed. Basically a user will be able to change the select boxes to change the total values. I have scoured javascript and jquery code to try and accomplish this but I can't find anything close. I am open to even going a mysql type of route.