Science & Research

CKD Nutrition Science

Go beyond the basics with deep-dive articles on how nutrients interact with kidney function. From phosphorus bioavailability to the gut-kidney axis, these evidence-based articles translate the latest research into actionable knowledge.

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Can Diet Slow CKD Progression? What the Evidence Shows

Diet modifications can slow GFR decline by 50% or more. Learn which dietary strategies have the strongest evidence for preserving kidney function.

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GFR and Diet: How What You Eat Affects Kidney Filtration Rate

Diet directly influences GFR through protein load, sodium, hydration, and inflammation. Learn which dietary factors speed up or slow down GFR decline.

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The Gut-Kidney Axis: How Your Microbiome Affects Kidney Disease

CKD disrupts gut bacteria, producing uremic toxins that accelerate kidney damage. Learn the gut-kidney axis science and dietary strategies to support both.

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Inflammation and Kidney Disease: How Diet Fuels or Fights CKD Progression

Chronic inflammation accelerates kidney damage. Learn which foods drive inflammation in CKD and which dietary patterns can slow progression.

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Kidney Diet Myths Debunked: 10 Common Misconceptions About CKD and Food

Cranberry juice does not fix kidneys and protein is not always the enemy. Science-backed corrections to the most common kidney diet myths.

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Metabolic Acidosis and Kidney Diet: What CKD Patients Need to Know

Learn how metabolic acidosis accelerates kidney damage and how dietary changes can help restore acid-base balance in CKD stages 3-5.

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Phosphorus Bioavailability: Why the Source Matters More Than the Number

Plant phosphorus is 20-40% absorbed, animal is 40-60%, and additives are 90-100%. Learn why total phosphorus on labels misleads kidney patients.

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Phosphorus, Heart Disease, and Bone Loss: The CKD Connection

High phosphorus in CKD calcifies arteries and weakens bones simultaneously. Learn the FGF23-PTH cascade and why phosphorus control saves lives.

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Potassium and Kidney Disease: Why It Matters and How to Manage It

Potassium builds up when kidneys fail, causing dangerous heart rhythms. Learn how CKD changes potassium handling and the science behind your limits.

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Sodium, Blood Pressure, and Kidney Disease: The Science Explained

Excess sodium raises blood pressure, which damages kidney blood vessels. Learn the sodium-kidney feedback loop and why 1,500-2,300mg limits matter.

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CKD Stages Explained: What Your GFR Means for Your Diet

CKD stages 1-5 have different nutrient limits. Learn exactly how sodium, potassium, phosphorus, and protein change as GFR drops, with limits by stage.

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Hidden Phosphorus Additives: The Biggest Threat to Your Kidney Diet

Phosphorus additives are 90%+ absorbed vs 40-60% from natural foods. Learn which additives to avoid and how to read labels to protect your kidneys.

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Protein and CKD: How Much Is Safe for Your Stage?

Protein needs vary drastically by CKD stage: 0.6-0.8g/kg pre-dialysis vs 1.0-1.2g/kg on dialysis. Learn stage-specific protein guidelines.

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