Oysters is Moderate for kidney disease patients
Eat in moderate portions if you have CKD · Verified against USDA & KDOQI guidelines.
Oysters — kidney-friendly food
CKD Daily Limit Impact
Phosphorus
12%
Sodium
14%
Potassium
10%
Based on CKD Stage 3-4 daily limits
🥩 Meat & Protein Moderate

Oysters

Nutrition facts & CKD safety rating per 100gram serving

Serving Size 100.0 gram
5gram ← drag to adjust → 500gram
Calories
104 kcal
Protein
7.1 g
Carbs
3.4 g
Fat
6.7 g
Phosphorus Learn more →
121 mg
12% of 1,000mg daily CKD limit
321 mg
14% of 2,300mg daily CKD limit
Potassium Learn more →
194 mg
10% of 2,000mg daily CKD limit
Verdict: Moderate for CKD

Oysters is acceptable in moderate portions. Keep an eye on your daily totals — pair it with low-mineral foods to stay within the recommended 1,000mg phosphorus, 2,300mg sodium, and 2,000mg potassium daily limits.

Always confirm with your nephrologist or renal dietitian — individual CKD stages and lab values vary.

Source & Notes

USDA FNDDS (foodCode: 26315120)

Frequently Asked Questions

Is Oysters safe for people with kidney disease?
Oysters is rated Moderate for CKD patients. Eat in moderate portions if you have CKD. With 121.0mg phosphorus, 321.0mg sodium, and 194.0mg potassium per 100.0g serving, moderate portions are usually fine, but watch your daily totals. Always confirm with your nephrologist or renal dietitian.
How much phosphorus is in Oysters?
A 100.0g serving of Oysters contains 121mg of phosphorus, which is approximately 12% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.
How much sodium is in Oysters?
Per 100.0g serving, Oysters provides 321mg of sodium — about 14% of the 2,300mg daily sodium limit recommended for kidney patients.
How much potassium is in Oysters?
Oysters contains 194mg of potassium per 100.0g serving, equivalent to about 10% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.
Can dialysis patients eat Oysters?
Dialysis patients have stricter mineral limits. Given Oysters is rated Moderate (Eat in moderate portions if you have CKD), dialysis patients should eat smaller portions and monitor their weekly intake. Your dialysis team can give you personalised portion advice.

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Last updated: April 18, 2026 · Data source: USDA FoodData Central & KDOQI guidelines