Protect Your Kidneys. Track Your Oxalate.

Research shows high oxalate accelerates kidney disease progression. OxalateGuard helps you keep your intake in check.

Daily Oxalate Budget
28/ 50mg target
Oatmeal
Breakfast
12mg
Chicken salad
Lunch
8mg
Rice & broccoli
Dinner
8mg
35.5M
Americans with CKD
32%
Increased progression risk
2,500+
Foods tracked

The Oxalate-CKD Connection

As kidney function declines, oxalate clearance drops, plasma levels rise, and renal inflammation accelerates. It is a vicious cycle that dietary tracking can help break. A 2019 study in JAMA Internal Medicine (Waikar et al.) found that higher plasma oxalate was independently associated with a 32% greater risk of CKD progression.

The Vicious Cycle
Kidney function declines
Oxalate clearance drops
Plasma oxalate rises
Crystals deposit in kidneys
Further kidney damage

Dietary oxalate management can help interrupt this cycle by reducing the oxalate load your kidneys need to process.

Track What Matters

Our food database covers 2,500+ foods with consensus data from 15 scientific sources. Set a personalized daily oxalate budget based on your GFR stage and track every meal with a few taps. See running totals, weekly trends, and which foods contribute the most to your daily total.

Weekly Trend
M
T
W
T
F
S
S
7-day avg35mg/day
Your target50mg/day

More Than Just Numbers

Get smart swap suggestions that keep meals enjoyable while lowering oxalate. Receive calcium-pairing reminders when you log high-oxalate foods. Weekly insights show your patterns and highlight where small changes make the biggest difference.

Smart Swap
Spinach
755mg/100g
Kale
2mg/100g
Calcium Pairing Reminder

You logged sweet potato (141mg). Pair with a glass of milk or yogurt to bind oxalate in your gut.

Medical Disclaimer

This information is educational and does not constitute medical advice. Consult your nephrologist before making dietary changes. OxalateGuard is a tracking tool, not a substitute for professional medical guidance.

More Ways to Stay Safe

Frequently Asked Questions

Why is oxalate dangerous for people with CKD?
As kidney function declines, your kidneys become less efficient at clearing oxalate from your blood. Elevated plasma oxalate can deposit as crystals in kidney tissue (nephrocalcinosis), causing inflammation and further damage. This creates a cycle where declining function leads to more oxalate retention, which accelerates decline.
How much oxalate should CKD patients consume per day?
There is no universal guideline, but many nephrologists recommend keeping dietary oxalate below 40-50mg per day for patients with reduced GFR. OxalateGuard lets you set a personalized daily budget and tracks your intake automatically. Always consult your nephrologist for advice specific to your stage of CKD.
Does cooking reduce oxalate in food?
Yes. Boiling is the most effective method, reducing oxalate by 30-87% depending on the food. Steaming is less effective but still helps. OxalateGuard includes cooking method reductions for many foods so you can see the difference between raw and cooked values.
Should I also increase calcium intake to reduce oxalate absorption?
Dietary calcium (from food, not supplements) binds oxalate in the gut and reduces absorption. Pairing high-oxalate foods with calcium-rich foods at the same meal is a well-established strategy. OxalateGuard provides calcium-pairing reminders to help you apply this approach consistently.

Take control of your oxalate intake today.