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Black tea

Q: How much oxalate is in black tea?

A typical serving of black tea (1 cup brewed) has about 132 mg of dietary oxalate, or 55 mg per 100 g — very high on a low-oxalate diet.

Very high oxalate

Beverages

Oxalate per serving · 1 cup brewed: ~132 mg
Oxalate per 100 g: 55 mg

LowModerateHighVery high

A serving of black tea (~132 mg) sits near the very top of the scale.

A typical serving of black tea (1 cup brewed) carries about 132 mg of dietary oxalate, or 55 mg per 100 g — very high on a low-oxalate diet (low <10, moderate 10–25, high 25–50, very high >50 mg per serving).

Lower-oxalate swaps

Same role on the plate, a fraction of the oxalate.

Coffee~2 mg Beer~4 mg

Seeded from published oxalate references. Values are estimates and vary by variety, soil, and preparation — a guide, not lab or medical values. Oxalate is tracked independently of carbs and the keto score.

Frequently asked

How much oxalate is in black tea?›

A typical serving of black tea (1 cup brewed) has about 132 mg of dietary oxalate, or 55 mg per 100 g — very high on a low-oxalate diet.

Is black tea high in oxalate?›

Yes — black tea is very high in oxalate. On a strict low-oxalate plan (commonly 40–50 mg/day) it is best limited.

What are lower-oxalate alternatives to black tea?›

Lower-oxalate options include coffee (~2 mg), beer (~4 mg).

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Oxalate estimates, not medical advice. Seeded from published oxalate references. Values vary by variety, soil, and preparation.

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