CKD Daily Limit Impact

Phosphorus

56%

Sodium

Potassium

40%

Based on CKD Stage 3-4 daily limits

🥩 Meat & Protein Avoid

Flax Seeds

Q: Is Flax Seeds safe for people with kidney disease?

Flax Seeds is rated Avoid for CKD patients. Avoid or eat rarely if you have CKD. With 556.0mg phosphorus, 37.0mg sodium, and 793.0mg potassium per 100.0g serving, it is best avoided or eaten only on special occasions. Always confirm with your nephrologist or renal dietitian.

Q: How much phosphorus is in Flax Seeds?

A 100.0g serving of Flax Seeds contains 556mg of phosphorus, which is approximately 56% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.

Q: How much sodium is in Flax Seeds?

Per 100.0g serving, Flax Seeds provides 37mg of sodium — about 2% of the 2,300mg daily sodium limit recommended for kidney patients.

Q: How much potassium is in Flax Seeds?

Flax Seeds contains 793mg of potassium per 100.0g serving, equivalent to about 40% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.

Nutrition facts & CKD safety rating per 100gram serving

Serving Size 100.0 gram

5gram ← drag to adjust → 500gram

Calories

545 kcal

Protein

18.0 g

Carbs

34.4 g

Fat

37.3 g

Phosphorus Learn more →

556 mg

56% of 1,000mg daily CKD limit

Sodium Learn more →

37 mg

2% of 2,300mg daily CKD limit

Potassium Learn more →

793 mg

40% of 2,000mg daily CKD limit

Verdict: Avoid for CKD

Flax Seeds contains levels that significantly exceed CKD-friendly thresholds. Avoid this food regularly. If you must eat it (e.g., on a special occasion), keep portions tiny and adjust the rest of your day accordingly.

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

Source & Notes

USDA FNDDS (foodCode: 43104000)

Kidney-Friendly Alternatives

Looking for safer choices in Meat & Protein? Try these instead:

Safe

Fruity Cereal Fruity Cereal Kids Organic Nutritional Grass Fed Protein 8g Shake

Lactose Fat Free Milk

Unsweetened Vanilla Unsweetened Vanilla Almondmilk Coconutmilk Blend

Phosphorus8 mg

Sodium50 mg

Potassium71 mg

Frequently Asked Questions

Is Flax Seeds safe for people with kidney disease?

Flax Seeds is rated Avoid for CKD patients. Avoid or eat rarely if you have CKD. With 556.0mg phosphorus, 37.0mg sodium, and 793.0mg potassium per 100.0g serving, it is best avoided or eaten only on special occasions. Always confirm with your nephrologist or renal dietitian.

How much phosphorus is in Flax Seeds?

A 100.0g serving of Flax Seeds contains 556mg of phosphorus, which is approximately 56% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.

How much sodium is in Flax Seeds?

Per 100.0g serving, Flax Seeds provides 37mg of sodium — about 2% of the 2,300mg daily sodium limit recommended for kidney patients.

How much potassium is in Flax Seeds?

Flax Seeds contains 793mg of potassium per 100.0g serving, equivalent to about 40% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.

Can dialysis patients eat Flax Seeds?

Dialysis patients have stricter mineral limits. Given Flax Seeds is rated Avoid (Avoid or eat rarely if you have CKD), dialysis patients should consult their dietitian before consuming this food. Your dialysis team can give you personalised portion advice.