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Rye grain

Per 100 g edible portion
Grains & Starches
Higher riskUsing CKD stage 3-4 limits, Rye grain falls in the Higher risk tier - Phosphorus (33%) is the main risk source.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus332 mg33%
High
Sodium2 mg<1%
Low
Potassium510 mg26%
High

About this food

About Rye grain: 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. As a Grains & Starches item, its role in a kidney diet depends mainly on mineral content.

Nutrient insight

On the phosphorus angle (33%), Rye grain belongs in the watch category. Pairing it with low-phosphorus sides like white rice or egg whites balances the meal.

Other nutrients

Protein10.3 gNot rated; needs attention at stage 4-5
Fiber15.1 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)1 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

Grains & StarchesHigher risk foodsLow potassium foodsLow phosphorus foods

Frequently asked questions

Is Rye grain safe for kidney disease?

Based on CKD stage 3-4 daily limits, Rye grain is rated Higher risk - Phosphorus is the highest contributor at 33% of its limit. Ratings reflect public nutrition data only; individual cases should follow medical advice.

Why is Rye grain rated Higher risk?

Among phosphorus, sodium and potassium, Rye grain's Phosphorus is highest (332 mg, 33% of daily limit), falling in the >30% band - hence the Higher risk rating.

How much Phosphorus is in Rye grain?

Per 100 g, Rye grain provides Phosphorus 332 mg, compared with the CKD stage 3-4 limit of 1,000 mg (33%).

Is Rye grain safe on a low-potassium diet?

On a low-potassium plan, Rye grain exceeds the 300 mg reference, showing 510 mg of Potassium per 100 g. Individual targets vary by CKD stage and lab results.

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

Within Grains & Starches, Rye grain ranks more on Phosphorus (332 mg per 100 g) than the group average. Individual needs still decide what fits your plan.