Understand Your Kidney Health in Plain English
Free tools that turn confusing lab numbers into clear answers. We skip the medical jargon and never require a sign-up.
Free Kidney Health Tools
Interactive calculators and trackers built with the latest medical guidelines. Everything runs in your browser, so your data never leaves your device.
eGFR Calculator
Calculate your kidney function from a simple creatinine blood test.
Try It Free →Lab Results Decoder
Understand what your blood and urine kidney lab numbers really mean.
Try It Free →Oxalate Food Calculator
Look up 100+ foods and calculate dietary calcium pairings to bind oxalates.
Try It Free →Potassium Leaching Calculator
Calculate mineral reduction in potatoes and veggies with double boiling.
Try It Free →Sodium to Table Salt Converter
Convert milligrams of sodium to salt pinches and decode hidden additives.
Try It Free →Blood Pressure Target Evaluator
Find systolic goals based on KDIGO guidelines and proteinuria risk.
Try It Free →eGFR Slope & Trajectory
Track annual rate of filtration decline to identify rapid progression.
Try It Free →Doctor Visit Prep Checklist
Generate stage-tailored appointment questions and a 1-page printable plan.
Try It Free →Build My Kidney Plate
Tap foods to track your meal or daily Sodium, Potassium, Phosphorus, and Protein budget.
Try It Free →PRAL Acid-Alkaline Calculator
Check your meal acid load and find alkaline fruits and veggies that ease kidney workload.
Try It Free →Herbal Tea & Supplement Checker
Look up 40+ herbal teas, natural remedies, vitamins, and supplements for kidney safety.
Try It Free →Cystatin C vs. Creatinine eGFR
See your muscle-adjusted true filtration number using the 2021 combined equation.
Try It Free →Explore Our Kidney Health & Wellness Directories
Comprehensive, evidence-based nutrition and wellness directories verified against USDA FoodData Central and kidney health guidelines.
Food Safety Directory
Potassium, phosphorus, and sodium ratings for 350+ foods with CKD stage guidance.
Explore Directory →Medication Safety Directory
eGFR dosage cutoffs, kidney safety warnings, and safe alternatives for common medications.
Explore Directory →Kidney Lab Directory
Plain-English guides explaining reference ranges, high and low causes, and CKD meaning.
Explore Directory →Renal Recipe Directory
Kidney-friendly recipes with verified potassium, sodium, and phosphorus nutrient totals.
Explore Directory →How It Works
Three simple steps to understand your kidney health.
Enter Your Numbers
Type in the lab values from your blood test or doctor's report.
Get Clear Answers
See color-coded results with plain-English explanations that bypass the usual medical jargon.
Track Over Time
Log your results and watch trends with easy-to-read charts.
Learn About Kidney Health
Plain-English guides backed by medical research from the NIH and National Kidney Foundation.
What Is GFR? Your Kidney Function Number Explained
GFR is the most important number for understanding your kidney health. Learn what it means and why your doctor checks it.
Read Article →The 5 Stages of Chronic Kidney Disease
CKD is classified into 5 stages based on your GFR. Learn what each stage means and what you can do.
Read Article →Calcium Oxalate Kidney Stone Diet Guide
Stop stones with the gut-binding calcium protocol, 100+ food oxalate levels, and AUA clinical guidelines.
Read Article →Kidney-Friendly Foods: What to Eat & Avoid
A practical, evidence-based guide to kidney-safe nutrition, stage adaptations, and mineral limits.
Read Article →Renal Multivitamins: Safe Formulas vs Toxic Risks
Learn why regular drugstore vitamins, vitamin A, and megadose vitamin C are restricted in CKD.
Read Article →Fluid Restriction Guide: 12 Clinical Thirst Hacks
Manage thirst and fluid limits for CKD Stages 4-5 and dialysis with practical proven strategies.
Read Article →Your Privacy, Our Priority
All calculations happen in your browser. We never store, transmit, or sell your health data.
No Server Storage
Your health data is never sent to or stored on our servers.
No Account Required
Use every tool freely without signing up or creating a profile.
Runs in Your Browser
All calculations run directly on your own device using private JavaScript.
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