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Milk products

What is airag made of?

Quick answer

Airag is made from mare's milk fermented with a yeast and bacteria starter. Mongolian herders churn the milk in a cowhide vessel called a khokhuur, more than 500 times according to UNESCO. The result is a slightly sour, fizzy drink with a low alcohol content, reported at about 2 to 3 percent.

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In this article
  1. What is airag made of?
  2. How is it made?
  3. Is airag alcoholic?
  4. Taste and serving
  5. Cultural status
  6. Related drinks

What is airag made of?

Airag is a fermented drink made from mare’s milk. Some makers also use camel or cow milk, according to one dairy reference, but mare’s milk is the traditional base. A starter drives the fermentation, which gives a mildly fizzy, sour drink.

How is it made?

  1. Herders milk the mares and cool the fresh milk.
  2. The milk goes into a khokhuur, a cowhide vessel, with a starter already inside.
  3. It is churned with a wooden paddle (buluur) again and again. UNESCO says more than 500 times; Cheese.com gives 3,000 to 5,000 stirs over one or two days.
  4. It ferments into a mildly fizzy, sour drink.

Is airag alcoholic?

Yes, slightly. Cheese.com gives about 2 to 3 percent alcohol. The strength depends on how long it ferments. Treat it as an alcoholic drink if you are driving, pregnant, or avoiding alcohol.

Taste and serving

  • Mildly bubbly, sour, with a slight sweetness; best chilled.
  • Offered to guests as a sign of hospitality and at festivals such as weddings and Naadam.

Cultural status

UNESCO lists the traditional technique of making airag in the khokhuur, and describes it as part of the everyday diet of herders and a drink used in offerings and blessings. UNESCO’s text also says it is believed to help with certain illnesses; that is a traditional claim, not a medical claim we endorse.

Airag is different from tarag, Mongolia’s yogurt, and from isgelen tarag, a kefir-like drink.

People also ask

What animal's milk is airag made from?

Mainly mare's milk; camel or cow milk may be used by some makers.

Is airag alcoholic?

Slightly. Reported at about 2 to 3 percent, though it varies.

How is airag made?

Mare's milk is churned with a starter in a cowhide khokhuur until it ferments.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. UNESCO: Traditional technique of making Airag in Khokhuur and its associated customs, read 6 Nov 2026
  2. Cheese.com: Airag, Mongolia's Popular Milk Beverage, read 6 Nov 2026
Written by Drinks Type Editorial Team · Published Feb 28, 2026 · Updated Nov 6, 2026
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