
Lactoferrin is an 80 kDa iron-binding glycoprotein present in mammalian milk. It is thought to have various beneficial effects across a wide range of ages. Lactoferrin is commonly used to treat low iron levels during pregnancy and prevent blood infections in premature infants. It is also used to treat diarrhea, the common cold, and other conditions, although there is limited scientific evidence to support these uses. Lactoferrin has also been studied for its potential in treating fungal, bacterial, and viral infections. Preliminary research suggests that it may help manage mild COVID-19 cases. Lactoferrin is considered safe by the FDA and is available as a supplement to support immune function and sleep. A recent study found that lactoferrin-fortified formula may improve sleep conditions in children aged 12-32 months, particularly in the area of morning symptoms.
| Characteristics | Values |
|---|---|
| Lactoferrin | An 80 kDa iron-binding glycoprotein present in most mammalian milk |
| Use for Sleep | May improve sleep conditions, especially morning symptoms in children above one year of age |
| Dosage | 48 mg/day for children between 12 and 32 months |
| Side Effects | No adverse drug reactions were found in children |
| Availability | Supplements available online |
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What You'll Learn
- Lactoferrin-fortified formula may improve sleep conditions in children
- Lactoferrin is an iron-binding glycoprotein present in mammalian milk
- Lactoferrin supplements are available from trusted brands online
- Lactoferrin is generally regarded as safe by the U.S. Food and Drug Administration
- Lactoferrin may help protect against infections from bacteria, viruses, and fungi

Lactoferrin-fortified formula may improve sleep conditions in children
Lactoferrin is an 80 kDa iron-binding glycoprotein present in most mammalian milk. It is also found in other bodily fluids. Lactoferrin helps regulate how well iron is absorbed into the body from the intestine. It also seems to protect against infections from bacteria, viruses, and fungi. The lactoferrin in breast milk is thought to help protect breastfed infants against infections.
The results of the trial showed that the change in total JSQ-P T scores tended to improve in the lactoferrin group compared to the placebo group. Morning symptoms, such as being grumpy in the morning, hard to wake up, and hard to get out of bed, significantly improved in the lactoferrin group. A better trend was also observed in the lactoferrin group regarding restless legs syndrome (RLS)-motor and insufficient sleep. No adverse drug reactions were found. The conclusion of the trial was that lactoferrin intake may improve sleep conditions, especially morning symptoms, in children above one year of age.
Lactoferrin supplements are available for purchase online and are marketed as immune and sleep support supplements. However, it is important to note that supplement use should be individualized and vetted by a healthcare professional. Lactoferrin is considered safe in amounts typically found in food, and the U.S. Food and Drug Administration (FDA) generally regards it as safe (GRAS). However, side effects are possible when taking lactoferrin supplements, especially in excessive doses.
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Lactoferrin is an iron-binding glycoprotein present in mammalian milk
Lactoferrin is an iron-binding glycoprotein found in most mammalian milk, including human milk and animal milk. Colostrum, the first milk produced after childbirth, contains high levels of lactoferrin, which is beneficial for breastfed infants as it helps protect against infections from bacteria, viruses, and fungi.
Lactoferrin has been studied for its potential benefits in improving sleep conditions, particularly in children aged 12-32 months. A preliminary, randomized, double-blind, placebo-controlled trial in Japan examined the effects of lactoferrin-fortified formula on sleep in this age group. The results suggested that lactoferrin intake may improve sleep, especially in the morning, with reduced symptoms of grumpiness, difficulty waking up, and getting out of bed. Additionally, there was a positive trend observed in the lactoferrin group regarding restless leg syndrome and insufficient sleep.
Lactoferrin's role in sleep improvement may be related to its ability to reduce cortisol levels, decrease anxiety, and promote relaxation. Leapfrog, a supplement brand, offers products containing lactoferrin, Lactium, and Vitamin B6, marketed as aiding deeper and more restful sleep.
While lactoferrin is generally regarded as safe by the U.S. Food and Drug Administration (FDA), it is important to consult a healthcare professional before taking any supplements, especially for those who are pregnant or breastfeeding.
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Lactoferrin supplements are available from trusted brands online
Lactoferrin is an 80 kDa iron-binding glycoprotein present in most mammalian milk, including human milk, animal milk, and other bodily fluids. It has been reported to have beneficial effects on a wide range of ages. Lactoferrin helps regulate how well iron is absorbed into the body from the intestine and protects against infections from bacteria, viruses, and fungi.
- Life Extension Lactoferrin Caps 300mg - derived from bovine whey, these capsules support a healthy immune system and eye health. They are gluten-free, non-GMO, and suitable for vegetarians.
- Nutricost Lactoferrin Capsules - offering 60 servings per container, each capsule provides 300mg of lactoferrin. They are gluten-free, vegetarian, non-GMO, and GMP compliant.
- Best Naturals Lactoferrin 250mg - a vegetarian-friendly option containing 60 capsules to support a healthy immune system.
- Vitamatic Lactoferrin 500mg - a higher-potency option with 60 vegetable capsules.
In addition to these options, other online retailers like SuperSmart offer lactoferrin supplements. Their product provides 500 mg of lactoferrin per day and is positioned as an immune support and antioxidant supplement. It is derived from colostrum, is non-GMO, and is suitable for vegetarians.
While these supplements are readily available, it is always recommended to consult with a healthcare professional before starting any new supplement regimen, especially if you are pregnant, nursing, or have any underlying health conditions.
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Lactoferrin is generally regarded as safe by the U.S. Food and Drug Administration
Lactoferrin is a protein found in human milk, animal milk, and other bodily fluids. It is commonly consumed in foods and is generally regarded as safe (GRAS) by the U.S. Food and Drug Administration (FDA). Lactoferrin has been studied for its potential antibacterial, antiviral, anti-fungal, and anti-cancer properties. It has also been used to treat children with low birth weight, protecting them against sepsis and necrotic enteritis. In children suffering from diarrhea, oral lactoferrin has been shown to alleviate the course and reduce its frequency.
Lactoferrin is considered safe in amounts typically found in food. However, it is important to discuss its use with a healthcare provider before taking it as a supplement, especially for those who are pregnant or breastfeeding. While lactoferrin is commonly found in human breast milk and is considered safe for infants and young children, there is insufficient information to determine whether it is safe for children over six years old. Additionally, there is limited research on the effects of lactoferrin on adults.
There are some reported side effects associated with taking lactoferrin supplements, particularly in excessive doses. These side effects include skin rash, loss of appetite, constipation, diarrhea, and nausea. It is also important to note that there is a possibility of being allergic to lactoferrin, as a study on mice found that administering lactoferrin into the blood or mucosal tissues could produce allergens. Therefore, it is always recommended to consult a healthcare provider before taking any new supplement to ensure it is appropriate for your individual needs.
While there is ongoing research into the effects of lactoferrin on sleep, one study in Japan investigated the impact of lactoferrin-fortified formula on sleep conditions in children aged 12-32 months. The study found that lactoferrin intake may improve sleep conditions, especially morning symptoms, in children above one year of age. The study utilized the Japanese Sleep Questionnaire for Preschoolers (JSQ-P) to evaluate sleep habits, insufficient sleep, daytime excessive sleepiness, and other sleep-related domains.
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Lactoferrin may help protect against infections from bacteria, viruses, and fungi
Lactoferrin is an 80 kDa iron-binding glycoprotein present in most mammalian milk and has been reported to exhibit various beneficial effects in a wide range of ages. It is also available as a supplement, typically sourced from genetically modified rice or cow's milk. Lactoferrin has been studied for its potential to protect against infections from bacteria, viruses, and fungi, in addition to its purported benefits for sleep.
Protection Against Bacterial Infections
Lactoferrin has been studied for its potential to protect against bacterial infections, such as Helicobacter pylori (H. pylori) infections, which are known to cause stomach ulcers. In vitro studies have shown that lactoferrin from cows can inhibit the growth of H. pylori and enhance the effectiveness of medications used to treat this infection. However, further human trials are needed to confirm these findings.
Protection Against Viral Infections
Research has also investigated lactoferrin's potential to protect against viral infections, including the common cold, flu, herpes, and gastroenteritis. Lactoferrin's role in preventing viral infections is an active area of study, and more human trials are needed to understand its effectiveness.
Potential Anti-Fungal Activity
Animal studies have suggested that lactoferrin may have anti-fungal properties. In one study, yeast-infected mice treated with lactoferrin exhibited less severe infections than those not given lactoferrin. However, more human trials are necessary to determine lactoferrin's efficacy in treating fungal infections in humans.
In summary, lactoferrin has been studied for its potential to protect against infections from bacteria, viruses, and fungi, with some promising results in in vitro and animal studies. However, further human trials are needed to confirm the efficacy of lactoferrin in treating and preventing these types of infections.
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Frequently asked questions
Lactoferrin is an 80 kDa iron-binding glycoprotein present in most mammalian milk. It is also found in other bodily fluids.
Lactoferrin is believed to improve sleep conditions, especially in children above one year of age. It may help with morning symptoms such as being grumpy in the morning, hard to wake up, and hard to get out of bed.
Lactoferrin is considered safe in amounts typically found in food. It is generally regarded as safe (GRAS) by the U.S. Food and Drug Administration (FDA). However, side effects are possible when using lactoferrin supplements, especially in excessive doses. Some common side effects include nausea, abdominal pain, and skin irritation.
Lactoferrin supplements are available in tablet form. It can also be sourced from certain foods, such as genetically modified rice and cow's milk.
While lactoferrin is considered safe, it is always recommended to consult with a healthcare professional before taking any new supplement. It may interact with certain medications or conditions.











































