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Kefir, lowfat, plain, LIFEWAY

Per 100 g edible portion
Dairy & Eggs
Kidney-friendlyKefir is rated Kidney-friendly. Of phosphorus, sodium and potassium, Phosphorus is highest (10%), all below 15% of limits.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus105 mg10%
Low
Sodium40 mg2%
Low
Potassium164 mg8%
Low

About this food

Kefir sits in the Dairy & Eggs group. Dairy products are high in phosphorus with high absorption and should be limited. With eggs, the white is a low-phosphorus protein while the yolk is much higher - treat them differently.

Nutrient insight

Kefir's phosphorus (10%) is worth noting - especially with Animal source (higher absorption) as the source, since absorption differs a lot.

Other nutrients

Protein3.8 gNot part of rating
Fiber0 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)4.6 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
OxalateNo dataNot rated · reference for those with kidney stones
Phosphorus source: Animal source (higher absorption) · Potassium form: Whole food

Practical tips

Worth remembering: Watch dairy portions; with eggs, the yolk is phosphorus-dense while the white is not - treat them differently.

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Related guides

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Frequently asked questions

Is Kefir safe for kidney disease?

Kefir is rated Kidney-friendly: Phosphorus is 10% of the CKD stage 3-4 limit, the highest item. Individual needs should be discussed with your healthcare team.

Why is Kefir rated Kidney-friendly?

Kefir's Phosphorus content (105 mg) equals 10% of the limit, sitting in the <15% band - that is why it rates Kidney-friendly.

How much Phosphorus is in Kefir?

On a per-100 g basis, Kefir contains Phosphorus 105 mg, or 10% of the 1,000 mg daily limit.

Is Kefir safe on a low-potassium diet?

For a potassium-watching diet, Kefir falls below the 300 mg per 100 g marker (Potassium 164 mg). The safest step is checking this against your own lab-based limit.

How does Kefir compare to other dairy & eggs foods?

Measured against other Dairy & Eggs foods, Kefir is less in Phosphorus (105 mg per 100 g) than the category average - data-only, never a prescription.