ModerateMeasured against KDIGO/KDOQI daily limits, Fish is Moderate: the highest item, Potassium, sits at 21% of its limit.
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus143 mg14%
Low
Sodium88 mg4%
Low
Potassium416 mg21%
Moderate
About this food
Fish is a common member of Meat & Protein. 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. This helps when choosing similar foods.
Nutrient insight
Potassium is the highest of the three at 21%. With reduced kidney function, blood potassium can rise, so spread high-potassium foods across the day rather than in one large serving.
Other nutrients
Protein18.5 gNot rated; needs attention at stage 4-5
Fiber0 gBeneficial for CKD (core plant-based nutrient)
How to eat it more safely: Boiling meat first and discarding the water removes some phosphorus and potassium; prefer low-phosphorus proteins like egg whites.
Combining phosphorus, sodium and potassium, Fish falls in the Moderate tier, with Potassium (21%) contributing the most. Plan meals with your doctor's guidance.
Why is Fish rated Moderate?
The deciding factor is Potassium: 416 mg, 21% of the limit, in the 15-25% band - so Fish is rated Moderate.
How much Potassium is in Fish?
In every 100 g of Fish, Potassium is about 416 mg - roughly 21% of the daily limit (2,000 mg).
Is Fish safe on a low-potassium diet?
For people watching potassium, Fish exceeds 300 mg per 100 g, with Potassium at 416 mg. Confirm your personal limit with your nephrologist or renal dietitian.
How does Fish compare to other meat & protein foods?
Against the Meat & Protein average, Fish shows more Potassium (416 mg per 100 g). The tier shown here comes from its own numbers, not the category.