Is this meal safe for your kidneys? Find out in 30 seconds with a photo.
Nefra reads your plate and tells you the potassium, phosphorus, sodium and protein on it. The guidance is KDIGO-based, and Nefra is built as an MDR Class IIA medical device.
Unlimited scans. No credit card. Works offline.
Potassium: Safe
Within your daily limit
The Everyday Worry
From guessing at every meal to knowing in seconds
Every plate feels like a risk
You read labels, search the web and still are not sure. One wrong meal can push your potassium too high — and you find out too late.
You eat with confidence
Snap a photo, get a clear safe or not-safe answer, and stay inside your daily limits without the stress.
Simple Process
Three steps to safer meals
No complex setup. No manual data entry. Just take a photo and let Nefra do the rest.
Take a photo of your meal
Snap a picture with your phone. No barcode scanning. No searching long food lists.
Takes about 5 seconds.
See your kidney nutrients in 30 seconds
Nefra reads your plate and shows the potassium, phosphorus, sodium and protein on it.
Clear numbers you can trust.
Get a simple safe / not safe answer
You get an instant warning if a meal is high in something your kidneys should avoid.
Know before you eat.
Why You Can Trust Nefra
Built with nephrologists, for people with kidney disease
Nefra is used by thousands of people living with chronic kidney disease. It was built together with kidney doctors and follows KDIGO clinical guidance.
“My patients finally understand what is on their plate. Nefra turns a photo into numbers they can act on — and it makes our appointments far more useful.”
Dr. Anna Kovalenko
Consultant Nephrologist
What You Get
Everything you need to eat with confidence
Know what is on your plate
Get a breakdown of potassium, phosphorus, sodium and protein from one photo — no guessing.
See if your diet is working
Watch how your meals line up with your GFR and creatinine results over time.
Limits made for your stage
Your daily nutrient limits are set for your CKD stage, based on KDIGO guidelines.
Reports your doctor can read
Create a clear PDF of your nutrition, vitals and medication trends to bring to your nephrologist.
Your data moves with you
Export your full record in HL7 FHIR R4 with SNOMED CT & LOINC coding, so any clinic can use it.
Works even without signal
Install Nefra on your phone and keep scanning offline. It syncs when you are back online.
Anywhere You Shop
Check a food before it reaches your basket
Nefra works right in the supermarket aisle — even with no signal. Scan a product, see if it fits your kidney limits, and shop without second-guessing.
- Works fully offline, syncs when you reconnect
- Instant safe / not-safe answer at the shelf
- Keeps a running total of your day
For Clinics
Reduce hyperkalemia admissions
Give your nephrology patients a simple way to track their diet between visits. See their potassium trends early and step in before a high reading becomes an admission.
- See patient nutrition data between visits
- FHIR R4 export that plugs into your records
- Clinic-branded referral tracking
- Doctor-ready PDF reports with trends
How Nefra Compares
Made for kidneys, not just calories
| Feature | Nefra | MyFitnessPal | Kidney APPetite |
|---|---|---|---|
| Photo food scan | |||
| Potassium & phosphorus tracking | Partial | ||
| Limits set for your CKD stage | Partial | ||
| KDIGO-based guidance | |||
| Doctor-ready PDF reports | |||
| Works offline | Partial |
Pricing
Start free. Upgrade when you are ready.
Every plan includes unlimited food scans and all 5 tracked nutrients.
Free
Unlimited scans. Build the habit.
- Unlimited food photo scans
- All 5 nutrients tracked (K, P, Na, protein, calories)
- 7-day food diary history
- KDIGO-based daily limits
- Custom food database
- Works offline
Essential
Full history, weekly reports and health sync.
- Everything in Free
- Unlimited diary history
- Weekly progress reports + PDF export
- Apple Health / Google Fit sync
- Email reminders & alerts
Take control of your kidney health today
Join thousands of people with kidney disease who check their meals in seconds. Start free — no credit card required.