Is Almond Meal Flour Safe for Kidney Stones? (Avoid)
mg oxalate
per serving
Serving: 1/4 cup (38 g)
Verdict: 🔴 Avoid
Per 100g: 519 mg
Data: Harvard T.H. Chan SPH (2024)
What this means: Almond Meal Flour is rated Avoid (🔴). At 197 mg oxalate per serving, it exceeds the 100 mg threshold. Kidney stone patients should limit or avoid this food. If you do eat it, keep portions very small, pair it with calcium, and drink extra water. Check the full food page for safer alternatives.
Among nuts & seeds, Almond Meal Flour sits well above the category average of 34 mg. For context, 29 out of 51 nuts & seeds (56%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average nuts & seeds in our database has 34 mg oxalate per serving — which means Almond Meal Flour is 472% above the category norm. Within its specific category, Almond Meal Flour ranks on the higher end for oxalate. This context matters because two 'Safe' foods can have very different oxalate levels — one might have 5 mg while another has 24 mg. Both are Safe, but the first gives you more dietary flexibility. Browse all nuts & seeds rated Avoid to compare within the same verdict level.
Why does the safe threshold matter?
The 25 mg per serving threshold is based on clinical guidance for kidney stone patients. Harvard's lab data (2024) provides the most reliable oxalate measurements available — no database estimates, direct lab analysis. Applied to Almond Meal Flour: 197 mg oxalate per 1/4 cup — Avoid per Harvard (2024).
Can I eat this food every day?
If it's in the Safe zone (under 25 mg/serving), yes — it can be a regular part of your diet. For Caution or Avoid foods, frequency matters. Rotate them with lower-oxalate options throughout the week. For context, Almond Meal Flour measures 197 mg per 1/4 cup, rated Avoid.
Where does the oxalate data come from?
Harvard T.H. Chan School of Public Health (2024) via the OHF database. These are direct laboratory measurements — the most reliable oxalate data available for food. For context, Almond Meal Flour measures 197 mg per 1/4 cup, rated Avoid.
Should I also check sodium and calcium?
Yes — kidney stone risk isn't just about oxalate. High sodium increases urinary calcium (a stone promoter). Adequate dietary calcium (from food, not supplements) actually binds oxalate in your gut. Check the food's full nutrition page for the complete picture. Applied to Almond Meal Flour: 197 mg oxalate per 1/4 cup — Avoid per Harvard (2024).