ModerateBased on CKD stage 3-4 daily limits, Fish is rated Moderate - Phosphorus is the top contributor at 18% of its limit, within the 15-25% band.
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus185 mg18%
Moderate
Sodium42 mg2%
Low
Potassium287 mg14%
Low
About this food
Fish belongs to the Meat & Protein category. 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.
Nutrient insight
Fish's phosphorus is 18% of the limit, from Animal source (higher absorption). On a phosphorus-restricted diet, limit how often and how much you eat it.
Other nutrients
Protein18.9 gNot rated; needs attention at stage 4-5
Fiber0 gBeneficial for CKD (core plant-based nutrient)
Fish is rated Moderate: Phosphorus is 18% of the CKD stage 3-4 limit, the highest item. Individual needs should be discussed with your healthcare team.
Why is Fish rated Moderate?
Fish's Phosphorus content (185 mg) equals 18% of the limit, sitting in the 15-25% band - that is why it rates Moderate.
How much Phosphorus is in Fish?
Data: 100 g of Fish has Phosphorus 185 mg (18% of the 1,000 mg limit).
Is Fish safe on a low-potassium diet?
Low-potassium question: Fish falls below the 300 mg threshold (Potassium 287 mg per 100 g). Whether it fits depends on your daily potassium budget.
How does Fish compare to other meat & protein foods?
Next to other Meat & Protein options, Fish carries less Phosphorus at 185 mg per 100 g. Use your own daily limits, not category labels, as the guide.