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Rye flour, light

Per 100 g edible portion
Grains & Starches
Kidney-friendlyBased on CKD stage 3-4 daily limits, Rye flour is rated Kidney-friendly - Phosphorus is the highest at 13% of its limit, still well below 15%.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus130 mg13%
Low
Sodium2 mg<1%
Low
Potassium224 mg11%
Low

About this food

Rye flour belongs to the Grains & Starches category. Grains and starches are usually relatively low in potassium and phosphorus, making them a sensible base for a CKD diet. Watch whole-grain and some processed grain products, which can carry more phosphorus.

Nutrient insight

On the phosphorus angle (13%), Rye flour belongs in the watch category. Pairing it with low-phosphorus sides like white rice or egg whites balances the meal.

Other nutrients

Protein9.8 gNot part of rating
Fiber8 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)0.9 gNatural sugar
Alcohol0 gAlcohol-free
Purine5 mgLow 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

A common practice is: Use refined grains as the base and treat whole grains by portion, since they carry more phosphorus.

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Related guides

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Frequently asked questions

Is Rye flour safe for kidney disease?

Based on CKD stage 3-4 daily limits, Rye flour is rated Kidney-friendly - Phosphorus is the highest contributor at 13% of its limit. Ratings reflect public nutrition data only; individual cases should follow medical advice.

Why is Rye flour rated Kidney-friendly?

Among phosphorus, sodium and potassium, Rye flour's Phosphorus is highest (130 mg, 13% of daily limit), falling in the <15% band - hence the Kidney-friendly rating.

How much Phosphorus is in Rye flour?

Per 100 g, Rye flour provides Phosphorus 130 mg, compared with the CKD stage 3-4 limit of 1,000 mg (13%).

Is Rye flour safe on a low-potassium diet?

On a low-potassium plan, Rye flour falls below the 300 mg reference, showing 224 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

How does Rye flour compare to other grains & starches foods?

Within Grains & Starches, Rye flour ranks less on Phosphorus (130 mg per 100 g) than the group average. Individual needs still decide what fits your plan.