How Much Oxalate Is in Flour Flaxseed meal or ground Flaxseed?
mg oxalate
per serving
Serving: 1/4 cup (26 g)
Verdict: 🟢 Safe
Per 100g: 8 mg
Data: Harvard T.H. Chan SPH (2024)
What this means: Flour Flaxseed meal or ground Flaxseed is rated Safe (🟢). At 2 mg oxalate per serving, it's well under the 25 mg safety threshold. You can include it regularly in a kidney stone diet. Pair it with calcium-rich foods (dairy, fortified plant milks) for additional protection, and drink plenty of water throughout the day.
Among nuts & seeds, Flour Flaxseed meal or ground Flaxseed sits well below 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 Flour Flaxseed meal or ground Flaxseed is 95% below the category norm. Within its specific category, Flour Flaxseed meal or ground Flaxseed ranks among the lower-oxalate options. 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 Safe to compare within the same verdict level.
Why does oxalate per 100g matter?
The per-100g number lets you compare foods on an equal-weight basis, regardless of serving size. It's useful when two foods have very different typical serving sizes, or when you eat more or less than a standard serving. For Flour Flaxseed meal or ground Flaxseed, the measured oxalate value is 2 mg per 1/4 cup (Safe).
How accurate is the oxalate measurement?
The measurements use ion chromatography, the accepted reference method for oxalate. That means real lab values for each food rather than inferred numbers. Some natural variation exists between samples, but this is the strongest published data set. For Flour Flaxseed meal or ground Flaxseed, the measured oxalate value is 2 mg per 1/4 cup (Safe).
How does this compare to other foods?
The ratings split at 25 mg (Safe) and 100 mg (Avoid), with 25-99 mg in the Caution band. For context against similar foods, the category pages on OxalateWatch rank every item in that group by oxalate. Applied to Flour Flaxseed meal or ground Flaxseed: 2 mg oxalate per 1/4 cup — Safe per Harvard (2024).