Walnut and CKD: Potassium, Phosphorus & Sodium Reference
The rating for Walnut is Higher risk under CKD stage 3-4 limits. Walnut receives a Higher risk rating. Phosphorus (35%) clearly exceeds the safe band - restrict or follow medical advice.
About Walnut
In a CKD diet, Legumes & Nuts deserve attention: Walnut - Legumes and nuts are typically high in both phosphorus and potassium, so they need care. Plant phosphorus absorbs at a lower rate (30-50%), so the real load is smaller than the numbers suggest.
Nutrient insight
Phosphorus at 35% is the highest item. Additive phosphorus in processed foods absorbs best; naturally occurring phosphorus is more controllable.
Phosphorus / Sodium / Potassium per 100 g
Phosphorus346 mg35%High
Sodium2 mg<1%Low
Potassium441 mg22%Moderate
Practical tips
If you are managing mineral intake: Cook legumes and discard the water to lower some minerals; keep nuts to a small handful.
See the full Walnut food page →Lower-risk alternatives
VermicelliK 3 / P 20 mg
NoodlesK 10 / P 32 mg
Tofu yogurtK 47 / P 38 mg