USDA-derived comparison
Kelp (Seaweed) vs Parsley
Kelp (Seaweed) leads for Folate and Magnesium; Parsley answers with Vitamin C, Vitamin K and Iron.
Who each is for: Choose kelp (Seaweed) for folate and magnesium. Choose parsley for vitamin C and vitamin K.
Reviewed 20 July 2026. Generic food data per 100g; brands and preparation vary.
Kelp (Seaweed)
Typical serving: a 10g portion (10g)
18/100
Parsley
Typical serving: a small handful (10g)
27/100
Side by side, per 100g
The stronger number is highlighted, honestly: higher wins for aim-for nutrients, lower wins for stay-under ones like saturated fat and sodium.
| Nutrient | Kelp (Seaweed) | Parsley |
|---|---|---|
| Calories | 43 kcal | 36 kcal |
| Protein | 2 g | 3 g |
| Carbs | 10 g | 6 g |
| Fat | 1 g | 1 g |
| Fiber | 1 g | 3 g |
| Sat fat | 0 g | 0 g |
| Sodium | 233 mg | 56 mg |
| Potassium | 89 mg | 554 mg |
| Calcium | 168 mg | 138 mg |
| Iron | 2.9 mg | 6.2 mg |
| Magnesium | 121 mg | 50 mg |
| Zinc | 1.2 mg | 1.1 mg |
| Vitamin C | 3 mg | 133 mg |
| Vitamin D | 0 µg | 0 µg |
| Vitamin B12 | 0 µg | 0 µg |
| Folate | 180 µg | 152 µg |
Servings differ: a 10g portion of kelp (seaweed) is about 10g, a small handful of parsley about 10g. Scale accordingly before deciding anything on the 100g basis alone.
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