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Duck, domesticated, liver, raw

Per 100 g edible portion
Meat & Protein
LimitBased on CKD stage 3-4 daily limits, Duck is rated Limit - Phosphorus reaches 27% of its limit, approaching the 30% caution line.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus269 mg27%
High
Sodium140 mg7%
Low
Potassium230 mg12%
Low

About this food

Duck belongs to the Meat & Protein category. Animal proteins tend to be higher in phosphorus, and animal phosphorus absorbs at 60-80% versus 30-50% for plants. Choosing low-phosphorus proteins such as egg whites or tofu, or controlling portions of red meat, is a common CKD approach.

Nutrient insight

On the phosphorus angle (27%), Duck belongs in the watch category. Pairing it with low-phosphorus sides like white rice or egg whites balances the meal.

Other nutrients

Protein18.7 gNot rated; needs attention at stage 4-5
Fiber0 gBeneficial for CKD (core plant-based nutrient)
Alcohol0 gAlcohol-free
Purine150 mgModerate purineNot rated · category estimate
OxalateNo dataNot rated · reference for those with kidney stones
Phosphorus source: Animal source (higher absorption) · Potassium form: Whole food

Practical tips

A common practice is: Boiling meat first and discarding the water removes some phosphorus and potassium; prefer low-phosphorus proteins like egg whites.

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Frequently asked questions

Is Duck safe for kidney disease?

Duck scores Limit on the phosphorus/sodium/potassium assessment, led by Phosphorus (27% of limit). This site presents data, not medical judgment.

Why is Duck rated Limit?

The reason: Phosphorus (269 mg, 27%) is the most prominent of Duck's three minerals, at the 25-30% level, which maps to Limit.

How much Phosphorus is in Duck?

Per 100 g, Duck provides Phosphorus 269 mg, compared with the CKD stage 3-4 limit of 1,000 mg (27%).

Is Duck safe on a low-potassium diet?

On a low-potassium plan, Duck falls below the 300 mg reference, showing 230 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

How does Duck compare to other meat & protein foods?

Within Meat & Protein, Duck ranks more on Phosphorus (269 mg per 100 g) than the group average. Individual needs still decide what fits your plan.