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Colostrum

Also called: Bovine colostrum, first milk

The first milk a cow makes after giving birth, rich in antibodies (immunoglobulins), lactoferrin, and growth factors. It's studied for gut lining and immune support.

Medical Disclaimer

Supplements can interact with medications and aren't right for everyone, especially during pregnancy or breastfeeding, or with a chronic condition. Ask your provider before you start.

Studied for

  • Gut lining support, including 'leaky gut' (early studies)
  • Immune support
  • Protecting the gut during hard exercise or NSAID use (some studies)

Found naturally in

  • Not a regular food. It's collected from cows in the first days after calving.
What variations of colostrum exist?Our top pick, what to skip, and how to read the label

Label red flags

  • Immunoglobulin (IgG) content not listed
  • No information on where the cows were raised or how the colostrum was tested

Check with a provider

  • Milk allergy: avoid. Colostrum contains milk proteins.
  • Lactose intolerance: most products contain some lactose
  • History of hormone-sensitive cancer. It contains growth factors such as IGF-1, so ask your provider first.
  • Taking immune-suppressing medicines. Ask your provider first.
  • Pregnancy or breastfeeding: not well studied

Related conditions

Digestive issues

Supplements that contain it

One product in the Lesher Wellness store lists colostrum on the label.

Medical Disclaimer

Check with your provider before taking any of these, especially if you're pregnant or take medications.

Parts of the body it affects

Explore what each area does and the conditions that can affect it.

Illustration of the large intestine (colon)

Digestive tract

Your stomach and intestines absorb nutrients and hold most of your body's immune tissue, which makes the gut a common target in autoimmune disease.

Illustration of blood cells: red blood cells, four kinds of white blood cell, and platelets

Blood & immune system

Blood carries oxygen and nutrients, and white blood cells defend you from infection. In autoimmune disease, that defense system targets your own tissues.

Illustrations: Servier Medical Art, CC BY 4.0

Dr. Lesher, ND

Ready to find the root cause?

Dr. Lesher is a Naturopathic Doctor who focuses on autoimmune and chronic conditions in women. Since 2020, she's helped hundreds of patients stop managing symptoms and start healing.

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