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Peanut vs Black Beans: Which Is Better for Kidneys?

Looking at the three rated minerals, Peanut lands in the Higher risk tier and Black Beans in the Moderate tier. On the three rated minerals, the widest separation is Phosphorus: 14% of the limit for Black Beans against 36% for Peanut.

Peanut
Higher risk Black Beans
Moderate
Phosphorus
363 mg
36%
140 mg
14%
Sodium
6 mg
<1%
1 mg
<1%
Potassium
634 mg
32%
355 mg
18%

About Peanut

Peanut belongs to the Legumes & Nuts category. 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.

About Black Beans

Black Beans (Legumes & Nuts). 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. This is the same lens used for similar items.

Practical tips

Worth remembering: Cook legumes and discard the water to lower some minerals; keep nuts to a small handful. Worth remembering: Cook legumes and discard the water to lower some minerals; keep nuts to a small handful.

See Peanut details See Black Beans details

Frequently asked questions

Which has more phosphorus, peanut or black beans?

By weight, Peanut provides 363 mg of Phosphorus per 100 g; Black Beans provides 140 mg. That is the main mineral gap between them.

Is peanut or black beans better for kidney disease?

The ratings are Higher risk for Peanut and Moderate for Black Beans at stage 3-4 limits. Neither rating is a personal recommendation — it is a data comparison.

What is the difference between peanut and black beans for a CKD diet?

Mineral-wise, Black Beans and Peanut differ most on Phosphorus (14% vs 36% of the daily limit). The full tables are on the two food pages.