People hate on the calorie these days because it's oversimplified and doesn't account for other important nutrition factors. But it's a single value and people

People hate on the calorie these days because it's oversimplified and doesn't account for other important nutrition factors. But it's a single value and people can use it very easily. If we had an index or weighted calorie that had some scientific rationale, that could be really interesting to publish as nutrition facts on food labels.