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KIDNEY DIET5 diet traps in chronic kidneydisease1Salt substitutes and "low-sodium" soy sauce: sodium isoften replaced with potassium chloride, which canraise blood potassium when kidneys are weak.2Phosphate additives in processed food: watch for"phosphate" or "phosphoric acid" on the label —absorption is close to 100%, far higher than naturalfoods.3Star fruit: contains a neurotoxin; people with reducedkidney function may get intractable hiccups,confusion or seizures, which can be fatal.4High-sodium takeaway and pickled food: guidelinesadvise less than 2.3 g sodium a day (about 6 g salt).5Protein powder on your own: non-dialysis CKD stages3–5 are advised 0.55–0.6 g/kg/day; dialysis patientsactually need more — ask a dietitian first.Limits differ from person to person — follow the targets set by yourdoctor and renal dietitian. Try the free diet calculator on this site.BBeyond CKDbeyondckd.com/de/cards/five-diet-trapsSources: KDOQI Clinical Practice Guideline for Nutrition in CKD: 2020 Update · NKF…Compiled from public clinical guidelines · General education, not individual medical advice
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Kidney diet

5 diet traps in chronic kidney disease

Some "healthy" foods are traps for kidney patients — the first one is in many kitchens every day.

  1. 1Salt substitutes and "low-sodium" soy sauce: sodium is often replaced with potassium chloride, which can raise blood potassium when kidneys are weak.
  2. 2Phosphate additives in processed food: watch for "phosphate" or "phosphoric acid" on the label — absorption is close to 100%, far higher than natural foods.
  3. 3Star fruit: contains a neurotoxin; people with reduced kidney function may get intractable hiccups, confusion or seizures, which can be fatal.
  4. 4High-sodium takeaway and pickled food: guidelines advise less than 2.3 g sodium a day (about 6 g salt).
  5. 5Protein powder on your own: non-dialysis CKD stages 3–5 are advised 0.55–0.6 g/kg/day; dialysis patients actually need more — ask a dietitian first.

Limits differ from person to person — follow the targets set by your doctor and renal dietitian. Try the free diet calculator on this site.

Bildunterschrift (direkt einfügbar)

Some "healthy" foods are traps for kidney patients — the first one is in many kitchens every day.

1. Salt substitutes and "low-sodium" soy sauce: sodium is often replaced with potassium chloride, which can raise blood potassium when kidneys are weak.
2. Phosphate additives in processed food: watch for "phosphate" or "phosphoric acid" on the label — absorption is close to 100%, far higher than natural foods.
3. Star fruit: contains a neurotoxin; people with reduced kidney function may get intractable hiccups, confusion or seizures, which can be fatal.
4. High-sodium takeaway and pickled food: guidelines advise less than 2.3 g sodium a day (about 6 g salt).
5. Protein powder on your own: non-dialysis CKD stages 3–5 are advised 0.55–0.6 g/kg/day; dialysis patients actually need more — ask a dietitian first.

Limits differ from person to person — follow the targets set by your doctor and renal dietitian. Try the free diet calculator on this site.

Quellen: KDOQI Clinical Practice Guideline for Nutrition in CKD: 2020 Update — AJKD 2020;76(3S1):S1–S107; NKF — Potassium and Your CKD Diet (salt substitutes); Calvo MS, Uribarri J. Phosphorus additives — Am J Kidney Dis 2013;62:1216; Neto MM et al. Star fruit intoxication in uraemic patients — Nephrol Dial Transplant 2003;18:120
Geprüft am: 2026-10-16

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https://beyondckd.com/de/cards/five-diet-traps
60‑Sekunden-Kurzvideo-Skript

Einstellungsplan und Voice-over. Vertikal 9:16; Untertitel vorzugsweise im unteren Drittel platzieren. Jede Zeile ist den Quellen in der linken Spalte zugeordnet.

Sek.BildVoice-over
0–5Hand holding salt substitute, big text "TRAP?"Some foods that look healthy are actually traps for people with kidney disease.
5–16Zoom on label: "potassium chloride"One: salt substitutes and low-sodium soy sauce. They often swap sodium for potassium chloride. When kidneys are weak, potassium builds up.
16–27Snack / ham label with "phosphate" circledTwo: phosphate additives in processed food. If you see "phosphate" on the label, be careful — nearly all of it is absorbed.
27–36Star fruit photo + warning signThree: star fruit. It contains a neurotoxin. With reduced kidney function it can cause endless hiccups, confusion, even death.
36–46Noodle soup, pickles, "<2.3 g sodium/day"Four: high-sodium takeaway and pickles. Guidelines say less than 2.3 grams of sodium a day — about six grams of salt.
46–55Protein powder tub + "ask a dietitian"Five: buying protein powder on your own. Before dialysis protein should be lower; on dialysis it should be higher. Big difference — ask a dietitian.
55–60Site logo + URL + QRWant to check today's potassium, phosphorus and protein? The Beyond CKD diet calculator is free.

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Geprüft am: 2026-10-16