Can Russian Tortoises eat Spinach?

Q: Can Russian Tortoises eat Spinach?

Spinach is rated caution for Russian Tortoises. Very high oxalate content (~970 mg/100 g) binds dietary calcium in the gut, preventing absorption. Regular feeding risks calcium deficiency and MBD even if calcium is supplemented.

Agrionemys horsfieldii · Spinacia oleracea

Caution

Very rarely — once per month maximum, small amounts

The Tortoise Table

Very high oxalate content (~970 mg/100 g) binds dietary calcium in the gut, preventing absorption. Regular feeding risks calcium deficiency and MBD even if calcium is supplemented.

Feeding frequency

DailyWeeklyOccasionalNever

Caution

Very rarely — once per month maximum, small amounts

HerbivoreLeafy greenHigh oxalateNot toxic

The short answer

Very high oxalate content (~970 mg/100 g) binds dietary calcium in the gut, preventing absorption. Regular feeding risks calcium deficiency and MBD even if calcium is supplemented.

Feeding it safely

How much / how often

Very rarely — once per month maximum, small amounts. Not recommended as a regular food.

What's inside

Per 100 g of raw spinach

99mg

Calcium

49mg

Phosphorus

2.0:1

Ca:P ratio

High

Oxalate

HIGH

2.9g

Protein

2.2g

Fiber

Backed by sources

The Tortoise TableThe Tortoise Table

Spinacia oleracea — caution. High oxalate content binds calcium. Not suitable for regular feeding.

USDA databaseUSDA FoodData Central — Spinach, raw (ID 168462)

Contains approximately 970 mg oxalate per 100 g — among the highest of common greens.

Basking is here to help you learn — it isn't veterinary advice. For anything specific to your animal, talk to a qualified exotic-animal vet.

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