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Seaweed, spirulina, raw

Per 100 g edible portion
Vegetables
Kidney-friendlySeaweed scores Kidney-friendly across all three minerals - Potassium leads at 6% of its limit, far from any caution threshold.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus11 mg1%
Low
Sodium98 mg5%
Low
Potassium127 mg6%
Low

About this food

How to think about Vegetables: Seaweed is worth a closer look - 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.

Nutrient insight

The most striking number here is potassium (6%). For patients on potassium restriction, portion size and leaching are the two levers that matter for foods like Seaweed.

Other nutrients

Protein5.9 gNot part of rating
Fiber0.4 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)0.3 gNatural sugar
Alcohol0 gAlcohol-free
Purine89.5 mgModerate purineNot rated · category estimate
Oxalate0 mgLow oxalateNot rated · exact match
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

A handy approach - 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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Related guides

VegetablesKidney-friendly foodsHigh fiber foodsLow sodium foods

Frequently asked questions

Is Seaweed safe for kidney disease?

Combining phosphorus, sodium and potassium, Seaweed falls in the Kidney-friendly tier, with Potassium (6%) contributing the most. Plan meals with your doctor's guidance.

Why is Seaweed rated Kidney-friendly?

The deciding factor is Potassium: 127 mg, 6% of the limit, in the <15% band - so Seaweed is rated Kidney-friendly.

How much Potassium is in Seaweed?

Data: 100 g of Seaweed has Potassium 127 mg (6% of the 2,000 mg limit).

Is Seaweed safe on a low-potassium diet?

Low-potassium question: Seaweed falls below the 300 mg threshold (Potassium 127 mg per 100 g). Whether it fits depends on your daily potassium budget.

How does Seaweed compare to other vegetables foods?

Next to other Vegetables options, Seaweed carries less Potassium at 127 mg per 100 g. Use your own daily limits, not category labels, as the guide.