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Home Food Comparisons Chicken Breast vs Tuna: Which Is Better for Kidneys?

Chicken Breast vs Tuna: Which Is Better for Kidneys?

Looking at the three rated minerals, Chicken Breast lands in the Moderate tier and Tuna in the Kidney-friendly tier. Tuna carries the lighter mineral load overall, driven mainly by Phosphorus (14% vs 23% of the limit).

Chicken Breast
Moderate
Tuna
Kidney-friendly
Phosphorus
228 mg
23%
139 mg
14%
Sodium
74 mg
4%
247 mg
12%
Potassium
256 mg
13%
179 mg
9%

About Chicken Breast

Chicken Breast sits in the Meat & Protein group. Animal proteins tend to be higher in phosphorus, and animal phosphorus absorbs at 60-80% versus 30-50% for plants. Choosing low-phosphorus proteins such as egg whites or tofu, or controlling portions of red meat, is a common CKD approach.

About Tuna

For Meat & Protein, Tuna is a typical example. Animal proteins tend to be higher in phosphorus, and animal phosphorus absorbs at 60-80% versus 30-50% for plants. Choosing low-phosphorus proteins such as egg whites or tofu, or controlling portions of red meat, is a common CKD approach.

Practical tips

Worth remembering: Boiling meat first and discarding the water removes some phosphorus and potassium; prefer low-phosphorus proteins like egg whites. If you are managing mineral intake: Boiling meat first and discarding the water removes some phosphorus and potassium; prefer low-phosphorus proteins like egg whites.

See Chicken Breast details See Tuna details

Frequently asked questions

Which has more phosphorus, chicken breast or tuna?

By weight, Chicken Breast provides 228 mg of Phosphorus per 100 g; Tuna provides 139 mg. That is the main mineral gap between them.

Is chicken breast or tuna better for kidney disease?

Based on CKD stage 3-4 daily limits, Chicken Breast is rated Moderate and Tuna 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 chicken breast and tuna for a CKD diet?

The largest difference is Phosphorus: Tuna sits at 14% of the daily limit versus 23% for Chicken Breast. Portion size changes both numbers, so compare per 100 g values on the food pages.