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Seaweed, kelp, raw

Per 100 g edible portion
Vegetables
Kidney-friendlyMeasured against KDIGO/KDOQI daily limits, Seaweed is Kidney-friendly: even its highest mineral, Sodium, reaches only 12% of the limit.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus42 mg4%
Low
Sodium233 mg12%
Low
Potassium89 mg4%
Low

About this food

Seaweed is a common member of Vegetables. Vegetables are a key source of fiber and vitamins and are beneficial in CKD. Some are high in potassium, but slicing, boiling and discarding the water can remove about 30-50% of the potassium - a practical step. This helps when choosing similar foods.

Nutrient insight

Sodium at 12% stands out. For patients with high blood pressure or swelling, foods like this need extra caution.

Other nutrients

Protein1.7 gNot part of rating
Fiber1.3 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)0.6 gNatural sugar
Alcohol0 gAlcohol-free
Purine89.5 mgModerate purineNot rated · category estimate
OxalateNo dataNot rated · reference for those with kidney stones
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

If you are managing mineral intake: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.

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Frequently asked questions

Is Seaweed safe for kidney disease?

Seaweed scores Kidney-friendly on the phosphorus/sodium/potassium assessment, led by Sodium (12% of limit). This site presents data, not medical judgment.

Why is Seaweed rated Kidney-friendly?

The reason: Sodium (233 mg, 12%) is the most prominent of Seaweed's three minerals, at the <15% level, which maps to Kidney-friendly.

How much Sodium is in Seaweed?

Seaweed's Sodium content is 233 mg per 100 g - 12% of the daily limit of 2,000 mg.

Is Seaweed safe on a low-potassium diet?

If you are on a potassium-restricted diet, Seaweed falls below 300 mg per 100 g - Potassium comes in at 89 mg. Always verify against your own daily limit.

How does Seaweed compare to other vegetables foods?

How does Seaweed compare within Vegetables? Its Sodium (233 mg per 100 g) is more than the category average. The rating below is calculated from this food's own data.