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Is Cow's Milk Low FODMAP?

Updated · Dairy
High FODMAP

Yes. Regular cow's milk is high in lactose, which is a FODMAP.

Main FODMAPs: Lactose

Why

Lactose is a sugar that needs the enzyme lactase to be digested. Many people with IBS make less lactase, so undigested lactose reaches the large intestine, pulls in water, and ferments. This happens with full fat, low fat, and skim milk, because the lactose is in all of them.

Good to know

  • Lactose-free cow's milk is real milk with the lactase added, so it is generally well tolerated.
  • Hard, aged cheeses are naturally very low in lactose.
  • Cream and butter contain little lactose, but it depends on the amount.

Low FODMAP swaps

  • Lactose-free milk
  • Unsweetened almond milk or rice milk (check labels for added inulin or sweeteners)
  • Lactose-free yogurt

Related foods

Related reading

Good to know: FODMAP content varies with variety, ripeness, preparation, brand, and serving size, and everyone's tolerance is different. This page gives general guidance without exact serving thresholds. For tested serving sizes, check the Monash University FODMAP Diet app and talk to your dietitian.

Not medical advice. This article is for general education only and does not replace guidance from your doctor or a registered dietitian. The low FODMAP diet is meant to be done in phases, ideally with a dietitian who is trained in it. See a doctor first if you have new, severe, or worsening digestive symptoms.

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