How Much Oxalate Is in Bran Flakes Cereal?
mg oxalate
per serving
Serving: 1 serving (100 g)
Verdict: 🟡 Caution
Per 100g: 141 mg
Data: Harvard T.H. Chan SPH (2024)
In practical terms, Bran Flakes Cereal sits in the 25-99 mg range with 51 mg per serving, so treat it as a sometimes-food. Keep servings modest, don't stack it with other moderate-oxalate items in one day, and pair it with calcium to blunt absorption.
Among grains & pasta, Bran Flakes Cereal sits well above the category average of 14 mg. For context, 170 out of 201 grains & pasta (84%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average grains & pasta in our database has 14 mg oxalate per serving — which means Bran Flakes Cereal is 267% above the category norm. Within its specific category, Bran Flakes Cereal 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 grains & pasta rated Caution to compare within the same verdict level.
Why does oxalate per 100g matter?
Per-100g values put every food on the same scale, which is handy when serving sizes differ a lot between foods — or when your portion doesn't match the standard serving. It lets you compare apples to apples on oxalate density. For context, Bran Flakes Cereal measures 51 mg per 1 serving, rated Caution.
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 Bran Flakes Cereal, the measured oxalate value is 51 mg per 1 serving (Caution).
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. For context, Bran Flakes Cereal measures 51 mg per 1 serving, rated Caution.