๐ŸŸก 50-100 mg Oxalate in Vegetables โ€” 13 Foods

Not all 'Safe' or 'Avoid' foods are equal โ€” the exact oxalate number matters. Here are 13 Vegetables foods clustered by their specific oxalate range, so you can compare within a narrow bracket.
๐Ÿ“Š 13 foods
โœ“ Lab-Verified Data Oxalate values from Harvard T.H. Chan SPH Oxalate Database (2024), measured via ion chromatography. This site is a dietary reference tool, not a medical resource.

Vegetables are the widest-oxalate-spread food group in the database: a cucumber measures around 1 mg of oxalate per serving while a half-cup of cooked spinach approaches 493 mg. That spread is why blanket advice like 'eat more vegetables' does not work for stone patients. What matters is the specific leaf, the serving, and the preparation. Boiling and draining can remove a meaningful share of soluble oxalate from many greens, and pairing any higher-oxalate vegetable with a calcium-rich food at the same meal reduces absorption. Low-oxalate anchors in this group include cucumber, lettuce, and most squash varieties; the leafy dark greens are the ones to portion carefully.

Browsing by oxalate range adds precision that a broad verdict cannot. Two foods can both be rated Safe, yet one sits at 3 mg and the other at 24 mg โ€” a meaningful difference when you are tracking a daily oxalate budget. This view groups foods by their exact milligram bracket, which makes daily tracking and meal planning more accurate. Use it alongside the verdict for a go/no-go signal plus the number for fine-tuning.

Inside this 50-100 mg Oxalate bracket for Vegetables: the 13 foods span from 51.0 mg to 100.0 mg per serving, with Beet Powder at the top end. Leading entries: Nopal (Prickly Pear), Okra, Roselle (Red Sorrel - Hibiscus Sabdariffa) and 10 more. This is the precision layer that a broad verdict cannot show โ€” two foods in this range can sit several milligrams apart, which matters when you track a daily total.

Foods in this bracket are occasional items in a stone-aware pattern โ€” not because any threshold is crossed at 50 mg, but because a single serving now represents a major share of a conservative daily budget, and the foods here are rarely worth that spend by accident. The characteristic use case is a food you genuinely value: a specific fruit out of season elsewhere, a traditional dish, a favorite garnish. Eaten deliberately, in the reference portion, with the rest of the day kept low โ€” that is how this tier fits without blowing the budget.

Calcium pairing is most useful exactly at this level: dairy taken with the meal binds a meaningful fraction of oxalate in the gut before it reaches the kidney, softening the effective load. Cooking matters here too for plant foods โ€” the difference between boiled and raw for a leafy item can span an entire bracket. What this bracket is not: a place for daily staples. If several of your regular foods live here, the daily total gets tight quickly, and the swap lists on individual food pages are the fastest way out.

High-risk subset: 1 foods (7%) are rated Avoid. Focus on the 0 safe options to minimize risk.
Range midpoint: The average oxalate in this intersection is 74 mg/serving โ€” right in the middle of this range. Use individual food pages for exact numbers.
Average oxalate: 74 mg/serving across all 13 foods. Check individual food pages for precise numbers per serving size.
Data source: All oxalate values from Harvard T.H. Chan SPH (2024) via OHF. Nutrition data from USDA FoodData Central where available.

๐Ÿฝ๏ธ Foods in This Category

๐ŸŸก Soup
51 mg / serving
Caution
๐ŸŸก Okra
56 mg / serving
Caution
๐ŸŸก Sweet potato
56 mg / serving
Caution
๐ŸŸก Basil Wraps
60 mg / serving
Caution
๐ŸŸก Cactus
67 mg / serving
Caution
๐ŸŸก Yam
68 mg / serving
Caution
๐ŸŸก Juice
68 mg / serving
Caution
๐ŸŸก Bitter Gourd (Bitter Melon)
80 mg / serving
Caution
๐ŸŸก Nopal (Prickly Pear)
87 mg / serving
Caution
๐ŸŸก Spinach
88 mg / serving
Caution
๐ŸŸก Milk Thistle
90 mg / serving
Caution
๐ŸŸก Roselle (Red Sorrel - Hibiscus Sabdariffa)
95 mg / serving
Caution
๐Ÿ”ด Beet Powder
100 mg / serving
Avoid

โ“ Frequently Asked Questions

Can I still eat foods at this oxalate level?

Occasionally and deliberately, yes. One serving consumes a major share of a conservative daily budget, so these become scheduled choices rather than background foods. The failure mode is not one serving โ€” it is unknowing repetition across a week.

What is the best way to include a favorite food from this tier?

Four levers stack: keep the portion at or below the reference serving, boil-and-drain if it is a vegetable, take calcium with the meal, and hold the rest of that day to the lowest brackets. Used together, even the top of this range fits an occasional plan.

Which vegetables items are most likely to surprise me here?

Scan the 13 measured foods below โ€” the bracket typically catches items widely assumed to be safe along with some outright famous high-oxalate names at their low-preparation forms. The per-serving values are what matter, not the food's reputation.

This is dietary reference information, NOT medical advice. Talk to your doctor or a registered dietitian before changing your diet. Oxalate tolerance varies by person, stone type, and medication.