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Lactoferrin

Lactoferrin is a naturally occurring iron-binding protein found in high concentrations in human colostrum and lower amounts in cow’s milk. It is valued for supporting immune defenses, maintaining healthy gut environments, and limiting the growth of certain microbes by reducing iron availability.

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Lactoferrin

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Ingredient guide

Lactoferrin

What it is: Lactoferrin is an iron-binding glycoprotein present in human colostrum, milk, and various body fluids such as tears and saliva.
What it does: It supports immune system function, helps regulate iron absorption, and inhibits the growth of harmful bacteria and viruses by depriving them of iron.
How it is used: Lactoferrin is commonly used to support immune health, maintain balanced inflammation, and promote gut wellness, particularly during times of increased immune or digestive stress.
Natural sources and supplement forms: Naturally present in breast milk (especially colostrum) and cow's milk, lactoferrin supplements are usually derived from cow's milk and come in purified powder or capsule forms.
Why it appears in supplement formulas: It is included for its ability to help defend the body against pathogens and support a healthy microbial environment in the gut.
What to know before use: Those with milk protein allergies or sensitivities should seek guidance before using lactoferrin supplements sourced from dairy.
Interesting Fact

Lactoferrin: A Protective Protein Found in Milk

Lactoferrin is a naturally occurring protein most abundant in human colostrum and milk, where it plays a key role in the body's first defense system. It binds iron, making it less available to certain bacteria, and is recognized for its importance in supporting the health benefits of breast milk. This multifunctional protein is also found in lesser amounts in cow’s milk and other bodily secretions.

FAQ

Common questions about Lactoferrin

FAQ

Frequently Asked Questions About Lactoferrin

What is lactoferrin and where is it naturally found?

Lactoferrin is an iron-binding glycoprotein found naturally in human and cow's milk, especially in colostrum, as well as in other bodily fluids like saliva, tears, and nasal secretions. In supplements, lactoferrin is typically purified from cow's milk to provide a concentrated form of this protein.

How does lactoferrin support immune health?

Lactoferrin supports immune health by binding iron, which can limit iron availability to certain bacteria, helping the body's natural defenses. It also has antioxidant and antimicrobial properties and can help regulate immune responses and inflammation, making it a popular ingredient for general immune support.

Is lactoferrin suitable for people with dairy allergies or sensitivities?

Lactoferrin supplements are often sourced from cow’s milk, so individuals with dairy allergies should use caution and consult a healthcare professional before use. Some lactoferrin products may offer non-dairy, recombinant forms, but it is important to verify the source if you have milk sensitivities.

What forms does lactoferrin come in for dietary supplements?

Lactoferrin is commonly available in supplements as a purified powder or encapsulated form derived from cow’s milk. It may be included as a standalone ingredient or combined with probiotics and other immune-supporting nutrients to target gut and immune health.

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