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Tofu, salted and fermented (fuyu)

Per 100 g edible portion
Legumes & Nuts
Higher riskTofu is rated Higher risk. Sodium is 144% of its limit, beyond the safe line - individual cases need medical advice.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus73 mg7%
Low
Sodium2873 mg144%
High
Potassium75 mg4%
Low

About this food

Tofu sits in the Legumes & Nuts group. Legumes and nuts are typically high in both phosphorus and potassium, so they need care. Plant phosphorus absorbs at a lower rate (30-50%), so the real load is smaller than the numbers suggest.

Nutrient insight

Sodium leads at 144%. Cutting sodium is not only about the salt shaker - processed foods and sauces carry a lot of it.

Other nutrients

Protein8.9 gNot part of rating
Alcohol0 gAlcohol-free
Purine78.5 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

How to eat it more safely: Cook legumes and discard the water to lower some minerals; keep nuts to a small handful.

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Related guides

Legumes & NutsHigher risk foodsHigh fiber foodsLow sodium foods

Frequently asked questions

Is Tofu safe for kidney disease?

On a CKD stage 3-4 basis, Tofu is Higher risk, with risk mainly coming from Sodium (144%). Data is for reference and is not medical advice.

Why is Tofu rated Higher risk?

Simply put: among Tofu's three minerals, Sodium is highest (2873 mg, 144%), and by the tier rule (>30%) the result is Higher risk.

How much Sodium is in Tofu?

In every 100 g of Tofu, Sodium is about 2873 mg - roughly 144% of the daily limit (2,000 mg).

Is Tofu safe on a low-potassium diet?

For people watching potassium, Tofu falls below 300 mg per 100 g, with Potassium at 75 mg. Confirm your personal limit with your nephrologist or renal dietitian.

How does Tofu compare to other legumes & nuts foods?

Against the Legumes & Nuts average, Tofu shows more Sodium (2873 mg per 100 g). The tier shown here comes from its own numbers, not the category.