| Rice bran, crude | 100 g | 781mg |
| Seaweed, agar, dried | 100 g | 770mg |
| Seeds, cottonseed meal, partially defatted (glandless) | 100 g | 760mg |
| Spices, basil, dried | 100 g | 711mg |
| Seeds, hemp seed, hulled | 100 g | 700mg |
| Spices, coriander leaf, dried | 100 g | 694mg |
| Seaweed, Canadian Cultivated EMI-TSUNOMATA, dry | 100 g | 692mg |
| Chives, freeze-dried | 100 g | 640mg |
| Wheat bran, crude | 100 g | 611mg |
| Spearmint, dried | 100 g | 602mg |
| Seeds, pumpkin and squash seed kernels, dried | 100 g | 592mg |
| Seeds, pumpkin and squash seed kernels, roasted, without salt | 100 g | 550mg |
| Seeds, watermelon seed kernels, dried | 100 g | 515mg |
| Cocoa, dry powder, unsweetened | 100 g | 499mg |
| Cocoa, dry powder, unsweetened, processed with alkali | 100 g | 476mg |
| Spices, dill weed, dried | 100 g | 451mg |
| Seeds, cottonseed kernels, roasted (glandless) | 100 g | 440mg |
| Spices, celery seed | 100 g | 440mg |
| Soy flour, full-fat, raw | 100 g | 429mg |
| Spices, sage, ground | 100 g | 428mg |