NUTRITIONAL CONTENT per half-cup serving:
Fiber One has fewer calories (60 vs. 80), less sugar (0 vs. 6g), and more fiber (14g vs. 10g).
However, it also has more sodium (105mg vs. 80mg), less potassium (100mg vs. 350mg), and less protein (2g vs. 4g). Plus it has less Vitamin A (0 vs. 10%), Vitamin D (0 vs. 10%), B6 (25 vs. 100%), Folic Acid (25% vs. 100%), B12 (25 vs. 100%), Phosphorus (6 vs. 35%), Magnesium (4 vs. 25%), and Copper (0 vs. 10%). It does have more zinc (25 vs. 10%).
The two are identical in fat (1g), cholesterol (0), Vitamin C (10%), Calcium (10%), Iron (25%), Thiamin (25%), Riboflavin (25%), and Niacin (25%).
http://www.sparkpeople.com/mypage_public_journal_individual.asp?blog_id=4837449
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