Too bad chocolate isn't considered paleo.  From the chart below, it
looks
like it blows away most other healthy fruits and vegetables in terms
of
anti-oxidant activity!

Top Antioxidant Foods
ORAC* Units per 100 grams


Dark Chocolate 13,120
Milk Chocolate 6,740
Prunes 5,770
Raisins 2,830
Blueberries 2,400
Blackberries 2,036
Kale 1,770
Strawberries 1,540
Spinach 1,260
Raspberries 1,220
Brussel Sprouts 980
Plums 949
Alfalfa Sprouts 930
Broccoli Florets 890
Oranges 750
Red Grapes 739
Red Bell Pepper 710
Cherries 670
Onion 450
Corn 400
Eggplant 390

*ORAC (Oxygen Radical Absorbance Capacity) is a measure of the ability
of the
foods to subdue harmful oxygen free radicals that can damage our
bodies.
Source: Data from the U.S. Department of Agriculture and the Journal
of the
American Chemical Society