| 1 | Cereals, ready-to-eat, Ralston enriched wheat bran flakes | 67.7 mg |
| 2 | Baby Food, Cereal, Oatmeal, with Honey, Dry | 67.2 mg |
| 3 | Baby Food, Cereal, Oatmeal, Dry, Fortified | 64.1 mg |
| 4 | Baby Food, Cereal, Oatmeal, Dry, Gerber Single Grain, Fortified | 64 mg |
| 5 | Baby Food, Cereal, Rice, Dry, Fortified | 53 mg |
| 6 | Cereals, Quaker, quick oats, with iron, dry | 49.5 mg |
| 7 | Baby Food, Cereal, Barley, Dry, Fortified | 48.2 mg |
| 8 | Baby Food, Cereal, Brown Rice, Dry, Instant | 47.6 mg |
| 9 | Baby Food, Rice Cereal, Dry, Earth's Best Organic Whole Grain, Fortified Only with Iron | 47.5 mg |
| 10 | Baby Food, Cereal, High Protein, with Apple and Orange, Dry | 47.5 mg |
| 11 | Baby Food, Cereal, Mixed, with Bananas, Dry | 47.5 mg |
| 12 | Baby Food, Cereal, Rice, with Bananas, Dry | 47.5 mg |
| 13 | Baby Food, Cereal, Oatmeal, with Bananas, Dry | 45 mg |
| 14 | Baby Food, Cereal, Whole Wheat, with Apples, Dry, Fortified | 45 mg |
| 15 | Beef, variety meats and by-products, spleen, raw | 44.6 mg |
| 16 | Cereals, Malt-O-Meal, chocolate, dry | 42.9 mg |
| 17 | Cereals, Quaker, instant grits, redeye gravy and country ham flavor, dry | 42 mg |
| 18 | Lamb, Variety Meats and By-Products, Spleen, Raw | 41.9 mg |
| 19 | Cereals, ready-to-eat, Malt-O-Meal, Oat Blenders with Honey and Almonds | 41.4 mg |
| 20 | Cereals, Malt-O-Meal, farina, hot wheat cereal, dry | 40.9 mg |
| 21 | Beef, variety meats and by-products, spleen, cooked, braised | 39.4 mg |
| 22 | Cereals, Quaker, corn grits, instant, plain, dry | 38.8 mg |
| 23 | Lamb, Variety Meats and By-Products, Spleen, Cooked, Braised | 38.7 mg |
| 24 | Cereals, ready-to-eat, Ralston corn biscuits | 38.4 mg |
| 25 | Cereals, Quaker, instant grits, ham 'n cheese flavor, dry | 38.2 mg |
| 26 | Baby Food, Rice and Apples, Dry | 37 mg |
| 27 | Cocoa, dry powder, unsweetened, Hershey's European Style Cocoa | 36 mg |
| 28 | Cereals, ready-to-eat, Post Honey Bunches of Oats, honey roasted | 34.8 mg |
| 29 | Cereals, ready-to-eat, Malt-O-Meal, Blueberry Muffin Tops cereal | 34.3 mg |
| 30 | Cereals, ready-to-eat, Malt-O-Meal, Honey Graham Squares | 33.8 mg |
| 31 | Cereals, ready-to-eat, Post Honey Bunches of Oats with almonds | 33.8 mg |
| 32 | Cereals, farina, enriched, assorted brands including cream of wheat, quick (1-3 minutes), dry | 33.4 mg |
| 33 | Cereals, ready-to-eat, Ralston crisp rice | 32.7 mg |
| 34 | Cereals, ready-to-eat, Ralston Tasteeos | 32.1 mg |
| 35 | Cereals, ready-to-eat, Quaker Whole Hearts oat cereal | 32.1 mg |
| 36 | Cereals, cream of wheat, 2-1/2 minute cook time, dry | 32 mg |
| 37 | Cereals, ready-to-eat, rice, puffed, fortified | 31.7 mg |
| 38 | Cereals, ready-to-eat, wheat, puffed, fortified | 31.7 mg |
| 39 | Cereals, Malt-O-Meal, maple brown sugar, hot wheat cereal, dry | 31.3 mg |
| 40 | Cereals, ready-to-eat, Malt-O-Meal, Honey Buzzers | 31 mg |
| 41 | Cereals, ready-to-eat, Quaker Crunchy Bran | 31 mg |
| 42 | Cereals, Malt-O-Meal, original, plain, dry | 30.9 mg |
| 43 | Duck, domesticated, liver, raw | 30.5 mg |
| 44 | Goose, liver, raw | 30.5 mg |
| 45 | Cereals, Quaker, corn grits, instant, cheddar cheese flavor, dry | 30.4 mg |
| 46 | Cereals, Quaker, instant grits, with American cheese flavor, dry | 30.4 mg |
| 47 | Cereals, Quaker, instant grits, country bacon flavor, dry | 30.4 mg |
| 48 | Baby Food, Cereal, Mixed, Dry, Fortified | 30 mg |
| 49 | Baby Food, Multigrain Whole Grain Cereal, Dry, Fortified | 30 mg |
| 50 | Cereals, ready-to-eat, Malt-O-Meal, Berry Colossal Crunch | 30 mg |