Verificación de evidencia

Verificación de dudas frecuentes: ¿un suplemento tiene investigación real detrás?, ¿una regla dietética viral aplica a todos los pacientes renales? — con nivel de evidencia, fuentes, población y límites

Fact check: Is there research behind "cordyceps, reishi and astragalus protect the kidneys and lower creatinine"?
Verificación de evidencia 8 min de lectura

Fact check: Is there research behind "cordyceps, reishi and astragalus protect the kidneys and lower creatinine"?

The supplement category most often sold to kidney patients in Asia. We reviewed the Cochrane systematic reviews and Chinese randomised trials: low-quality evidence suggests cordyceps preparations may slightly lower creatinine, but trials were small, short and reported no hard outcomes — and for transplant recipients there are immune-stimulation and drug-interaction concerns.

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Fact check: "Every kidney patient must strictly limit potassium — no bananas, tomatoes or potatoes." Is that true?
Verificación de evidencia 9 min de lectura

Fact check: "Every kidney patient must strictly limit potassium — no bananas, tomatoes or potatoes." Is that true?

The most widely shared rule in patient groups — yet KDOQI 2020 and KDIGO 2024 actually recommend individualising potassium to blood levels. We separate CKD 1–3, CKD 4–5, dialysis and transplant, explain who needs restriction and how much, and what blanket restriction can cost.

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