LimitOn a stage 3-4 CKD basis, Butter's Limit rating is driven by Sodium (29%), in the 25-30% band.
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus24 mg2%
Low
Sodium583 mg29%
High
Potassium41 mg2%
Low
About this food
Butter (Dairy & Eggs). 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. This is the same lens used for similar items.
Nutrient insight
Butter's sodium (29%) is the main risk item. Cooking plainly with less sauce can cut the per-serving sodium meaningfully.
Other nutrients
Protein0.5 gNot part of rating
Fiber0 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)0.1 gNatural sugar
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
OxalateNo dataNot rated · reference for those with kidney stones
On a CKD stage 3-4 basis, Butter is Limit, with risk mainly coming from Sodium (29%). Data is for reference and is not medical advice.
Why is Butter rated Limit?
Simply put: among Butter's three minerals, Sodium is highest (583 mg, 29%), and by the tier rule (25-30%) the result is Limit.
How much Sodium is in Butter?
On a per-100 g basis, Butter contains Sodium 583 mg, or 29% of the 2,000 mg daily limit.
Is Butter safe on a low-potassium diet?
For a potassium-watching diet, Butter falls below the 300 mg per 100 g marker (Potassium 41 mg). The safest step is checking this against your own lab-based limit.
How does Butter compare to other dairy & eggs foods?
Measured against other Dairy & Eggs foods, Butter is more in Sodium (583 mg per 100 g) than the category average - data-only, never a prescription.