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Egg vs Egg White: Which Is Better for Kidneys?

Side by side, Egg (Moderate) and Egg White (Kidney-friendly) differ most in Phosphorus: Egg has 172 mg, Egg White has 15 mg. If you are choosing between them, Egg White leaves more room in the daily allowance — the Phosphorus gap is 2% versus 17%.

Egg
Moderate Egg White
Kidney-friendly
Phosphorus
172 mg
17%
15 mg
2%
Sodium
124 mg
6%
166 mg
8%
Potassium
126 mg
6%
163 mg
8%

About Egg

Egg belongs to the Dairy & Eggs category. 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.

About Egg White

Egg White belongs to the Dairy & Eggs category. 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.

Practical tips

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

See Egg details See Egg White details

Frequently asked questions

Which has more phosphorus, egg or egg white?

Egg has 172 mg of Phosphorus per 100 g, compared with 15 mg in Egg White. Both numbers are measured against the same daily limit.

Is egg or egg white better for kidney disease?

Based on CKD stage 3-4 daily limits, Egg is rated Moderate and Egg White is rated Kidney-friendly. Ratings reflect mineral load per 100 g only; individual advice should come from your healthcare team.

What is the difference between egg and egg white for a CKD diet?

The largest difference is Phosphorus: Egg White sits at 2% of the daily limit versus 17% for Egg. Portion size changes both numbers, so compare per 100 g values on the food pages.