We conducted a comprehensive review and meta-analysis to understand how lactoferrin (LF) supplementation affects diarrhea in children. This involved examining a number of randomized controlled trials involving participants under 18 years old.
From our analysis, which sifted through an impressive 1,594 citations, we identified 25 studies that met our criteria. Notably, out of these, 14 studies focused specifically on diarrhea. Our findings indicated that LF supplementation was linked to fewer children experiencing diarrhea compared to those receiving a placebo.
Specifically, the odds of having diarrhea were reduced (with an odds ratio of 0.56) when children were given LF compared to those who weren't. This suggests that lactoferrin could be helpful in reducing the incidence of diarrhea in the pediatric population. However, it's important to note that while the results are promising, further refinement in trial design is necessary to fully understand LF's potential as a public health tool.
Read More
0
Bovine lactoferrin ineffective for AAD
Bovine Lactoferrin in the Prevention of Antibiotic-Associated Diarrhea in Children: A Randomized Clinical Trial.
In a well-structured study involving 156 children on antibiotics, we set out to see if bovine lactoferrin (bLf) could help prevent antibiotic-associated diarrhea (AAD). Kids were randomly given either bLf or a placebo twice daily during their antibiotic treatment.
Unfortunately, our findings revealed that AAD occurred more frequently in the bLf group—21.3% compared to just 9.3% in the placebo group. This suggests that bLf does not effectively prevent diarrhea; in fact, it may increase the risk. Importantly, we observed no adverse effects in either group.
Read More
9
Bovine lactoferrin reduces diarrhea risks
Dose effect of bovine lactoferrin fortification on diarrhea and respiratory tract infections in weaned infants with anemia: A randomized, controlled trial.
We investigated how different doses of bovine lactoferrin (bLF) in formula affected diarrhea and respiratory infections in weaned infants with anemia.
In our study of 108 infants, we found that those receiving higher doses of bLF (76 mg/100 g) experienced significantly lower rates of diarrhea and respiratory illnesses compared to those receiving no bLF.
This suggests that adding bLF to infant formula may be a promising new approach to reduce illness in this vulnerable group.
Read More
Most Useful Reviews
0
Caused spastic diarrhea
75 people found this helpful
I would NOT recommend this for cats. Based on a recommendation, I purchased this for my cats to help with allergies, but it caused both of them spastic diarrhea. I later discovered that magnesium stearate has several side effects, including loss of appetite.
Read More
9
Odour reduction
8 people found this helpful
This is a supplement I frequently buy. Although the price has increased, I continue taking it for my intestinal health. Unless I consume a lot of fatty foods or desserts, I no longer notice any stool odour. I believe this has also eliminated body odour, particularly noticeable in summer. I even give a small amount to my dog, and he too has benefited from reduced stool odour. However, caution is advised when administering it to pets.
Read More
7.5
Improved bowel movements
9 people found this helpful
I took lactoferrin after a course of berberine on my doctor's advice to enhance bowel function. The results were positive; my overall health improved and my bowel movements became more regular, resolving my previous issues with constipation and diarrhoea. I plan to reorder it occasionally. Additionally, I've noticed a pleasant side effect: my skin has cleared up and the rashes have diminished.
We explored how tofacitinib, a medication typically used in adults, impacted a 16-year-old girl with severe Crohn's disease. After struggling with abdominal pain and diarrhea, traditional treatments provided only minimal relief. By incorporating tofacitinib into her regimen, she experienced complete resolution of her symptoms, including diarrhea and abdominal pain, within just a week. This case is particularly significant as it is one of the first reports showing such positive outcomes in an adolescent patient with colonic Crohn's disease, suggesting a promising avenue for future treatment.
Read More
9
Lactoferrin shows promise for diarrhea
Treatment of lactoferrin and antimicrobial peptide N6 on bacterial enteritis caused by in mice.
We explored how bovine lactoferrin (bLf) works alongside antimicrobial peptides to tackle diarrhea caused by enterotoxigenic E. coli (ETEC) in mice. In our study, infected mice were treated with various combinations of bLf and AMP N6.
We observed that the combination therapy significantly reduced inflammation markers and improved intestinal health in comparison to untreated infected mice. This suggests that bLf together with N6 may enhance intestinal immunity and function, pointing to a promising therapeutic route for bacterial enteritis.
Read More
9
Bovine lactoferrin reduces diarrhea risks
Dose effect of bovine lactoferrin fortification on diarrhea and respiratory tract infections in weaned infants with anemia: A randomized, controlled trial.
We investigated how different doses of bovine lactoferrin (bLF) in formula affected diarrhea and respiratory infections in weaned infants with anemia.
In our study of 108 infants, we found that those receiving higher doses of bLF (76 mg/100 g) experienced significantly lower rates of diarrhea and respiratory illnesses compared to those receiving no bLF.
This suggests that adding bLF to infant formula may be a promising new approach to reduce illness in this vulnerable group.
Read More
8
Lactoferrin reduces diarrhea in calves
Schizochytrium sp. and lactoferrin supplementation alleviates Escherichia coli K99-induced diarrhea in preweaning dairy calves.
We investigated the effects of lactoferrin and the microalgae Schizochytrium sp. in combating diarrhea caused by E. coli in young calves. In a study with 50 calves, we saw that those receiving either lactoferrin, Schizochytrium sp., or a combination of both experienced less diarrhea and better weight gain compared to the control group.
This suggests that these supplements can significantly help in managing E. coli-induced diarrhea in preweaning dairy calves. Overall, both treatments could serve as effective, non-antibiotic methods to reduce incidences of diarrhea in these vulnerable animals.
Read More
8
Lactoferrin reduces diarrhea in piglets
Effects of oral probiotic and lactoferrin interventions on iron-zinc homeostasis, oxidant/antioxidant equilibrium and diarrhoea incidence of neonatal piglets.
We investigated how lactoferrin and probiotics impact diarrhea in neonatal piglets. In our experiment, piglets were divided into four groups receiving different treatments, including lactoferrin and a specific probiotic strain.
We found that those given lactoferrin experienced a significant decrease in diarrhea compared to the control group, while no diarrhea cases were seen in the probiotic and combined treatment groups. Additionally, iron and zinc levels improved, and antioxidant capacity increased in the lactoferrin groups.
Overall, early-life supplementation with the probiotic alone successfully prevented diarrhea in piglets, showcasing its potential benefits.
I would NOT recommend this for cats. Based on a recommendation, I purchased this for my cats to help with allergies, but it caused both of them spastic diarrhea. I later discovered that magnesium stearate has several side effects, including loss of appetite.
Read More
9
Odour reduction
8 people found this helpful
This is a supplement I frequently buy. Although the price has increased, I continue taking it for my intestinal health. Unless I consume a lot of fatty foods or desserts, I no longer notice any stool odour. I believe this has also eliminated body odour, particularly noticeable in summer. I even give a small amount to my dog, and he too has benefited from reduced stool odour. However, caution is advised when administering it to pets.
Read More
7.5
Improved bowel movements
9 people found this helpful
I took lactoferrin after a course of berberine on my doctor's advice to enhance bowel function. The results were positive; my overall health improved and my bowel movements became more regular, resolving my previous issues with constipation and diarrhoea. I plan to reorder it occasionally. Additionally, I've noticed a pleasant side effect: my skin has cleared up and the rashes have diminished.
Read More
7.5
Eating improvement
4 people found this helpful
I purchased this for my cat, who struggled with dry food. Concerned about the limited lactoferrin content in other products, I found this supplement. After starting with a quarter of a capsule, I've gradually increased it. Now, nine months later, my cat eats more normally without gastrointestinal issues like diarrhoea. There are still some red spots on his gums, but he seems to be doing well.
Read More
7.5
Helps immunity
2 people found this helpful
As a nutritional supplement for cats, I've noticed that administering small amounts helps prevent diarrhoea. It seems to aid their immunity effectively.
Diarrhea is a condition characterized by the frequent passage of loose or watery stools, which can occur due to various factors, including infections, dietary choices, and underlying health conditions. It often results from the body's response to an irritation of the gastrointestinal tract, which can be caused by viruses, bacteria, parasites, or certain medications. While most cases tend to be short-lived and resolve on their own, diarrhea can lead to dehydration, especially in vulnerable populations such as young children and the elderly.
Managing diarrhea typically involves staying hydrated by drinking clear fluids and, when necessary, replenishing lost electrolytes. In some cases, over-the-counter medications may provide relief, although it’s essential to consult a healthcare professional for persistent or severe symptoms. A focus on bland, easy-to-digest foods can also help during recovery. Remember, if diarrhea persists for more than a couple of days or is accompanied by other concerning symptoms—like high fever, severe abdominal pain, or blood in stools—seeking medical attention is crucial.
Lactoferrin is a multifaceted protein that plays a critical role in the body's immune response and iron metabolism. Found naturally in human and bovine milk, it is also present in various bodily fluids, including saliva and tears. This glycoprotein is primarily noted for its ability to bind iron, which helps to inhibit the growth of bacteria and pathogens that require iron to thrive, thereby providing an antibacterial effect. Additionally, lactoferrin possesses anti-inflammatory and antioxidant properties, further enhancing its protective role in the body.
Lactoferrin has garnered attention for its potential health benefits beyond immunity. It is often marketed as a dietary supplement, with claims that it can support gut health, enhance iron absorption, and potentially aid in preventing infections. While lactoferrin supplementation shows promise in certain contexts, such as improving iron levels in individuals with iron-deficiency anemia, it's essential to approach these claims with cautious optimism and consult with healthcare professionals before starting any new supplement regimen. Overall, lactoferrin stands out as an important component in both nutrition and immune health.
Lactoferrin is a multifunctional protein found in various bodily fluids, including milk, and is renowned for its antimicrobial and immunomodulatory properties. Research has shown that lactoferrin can potentially aid in gastrointestinal health by enhancing the immune response and possibly reducing inflammation. While it is not a primary treatment for diarrhea, some studies suggest that lactoferrin may help regulate intestinal flora and combat infections that can contribute to diarrhea.
However, it is essential to consider that lactoferrin is not a standalone cure for diarrhea and should be viewed as a part of a broader health approach. If diarrhea persists or is accompanied by severe symptoms, it is crucial to consult with a healthcare professional for appropriate diagnosis and treatment. Therefore, while lactoferrin may offer some benefits in managing gastrointestinal issues, more research is needed to fully establish its effectiveness specifically for diarrhea.
Based on user reviews, the timeline for seeing results from this supplement when taken for diarrhea can vary, but many users report experiencing improvements within a short period. For instance, one reviewer noted a significant reduction in their frequent diarrhea within just a few days of starting the supplement Read Review. Another user mentioned that after a few days of use, they observed a marked decrease in gastrointestinal issues Read Review.
Additionally, several users have commented on the ongoing benefits they experience, such as improved overall bowel function and regularity over a longer term. For example, one user noted their bowel movements became more regular and diarrhea issues resolved after using the supplement for a while Read Review. Overall, while initial improvements may occur within a few days, consistent use seems to bolster long-term digestive health.
Lactoferrin has garnered attention as a potential supplement in addressing diarrhea, particularly among children and livestock. A comprehensive meta-analysis involving children indicated that lactoferrin supplementation was associated with a significant reduction in diarrhea rates, showing an odds ratio of 0.56 when compared to placebo groups, suggesting its potential effectiveness in pediatric care [2]. Additionally, studies involving animals such as piglets and calves have shown that lactoferrin can enhance gut health, leading to decreased incidents of diarrhea, especially in cases linked to enterotoxigenic E. coli infections [5], [4].
However, it's worth noting that not all research supports lactoferrin's efficacy; one study found that it could actually increase the risk of antibiotic-associated diarrhea in children [12]. While promising findings exist surrounding lactoferrin’s roles in improving intestinal health and immune response, further research is warranted to draw definitive conclusions regarding its broader applications against diarrhea [7]. For individuals or caregivers considering lactoferrin as a supplement for diarrhea, it's crucial to consult with a healthcare professional to evaluate its appropriateness based on specific health needs.
Based on user reviews, many individuals have reported notable improvements in their gastrointestinal symptoms after incorporating this supplement into their routine. A number of users mentioned a significant reduction in diarrhea, with one reviewer noting that their frequent diarrhea decreased considerably within just a few days of starting the supplement Read Review. Others have praised the product for its effectiveness in regulating bowel movements, as it helped resolve both constipation and diarrhea issues, leading to improved overall bowel function Read Review.
Additionally, some users have expressed that the supplement contributed to other positive effects, such as reduced stool and body odor Read Review. There are even anecdotal accounts of benefits extending beyond gut health, with one user mentioning improvements in skin conditions like acne Read Review. While results can vary from person to person, it’s clear that many have found this supplement to be a valuable addition to their health regimen, particularly for digestive health.
Based on user reviews, many individuals have successfully combined this supplement with other products to manage diarrhea and improve digestive health. For instance, one user reported taking lactoferrin after a course of berberine, which they said enhanced their bowel function and resolved issues with both constipation and diarrhea Read Review. Additionally, a reviewer noted that when they combined lactoferrin with probiotics for their cats, it resulted in firmer stools and an overall reduction in diarrhea Read Review.
Moreover, another user highlighted that they experienced significant improvement in their gastrointestinal health after incorporating this supplement into their regime, indicating a synergy with other health practices Read Review. Overall, these reviews suggest that users find value in combining this supplement with other dietary aids, which can lead to a more effective approach to controlling diarrhea and enhancing digestive well-being.
Users have reported varying effective doses of Lactoferrin for treating diarrhea. One common experience is the use of a daily dose of two capsules, containing 200 mg of Lactoferrin, which was noted to improve overall gut health and reduce gastrointestinal issues like diarrhea (Read Review). Additionally, testimonials highlighted the positive effects of starting with smaller amounts, such as a quarter of a capsule, particularly when administering it to pets, leading to reduced occurrences of diarrhea over time (Read Review).
Many users expressed satisfaction with their results after using Lactoferrin, mentioning significant improvements in their bowel regularity and a reduction in the frequency of diarrhea. For instance, one user experienced a substantial decrease in diarrhea episodes after just a few days of taking the supplement (Read Review), while another noted that their condition improved in tandem with better gut health (Read Review). Overall, it seems that dosing can vary, but the positive impacts on diarrhea symptoms are consistently highlighted among users.
7.5
Reduced diarrhoea
I bought this as requested by someone at home. After just a few days of taking it, my frequent diarrhoea, which was the case 70% of the time, reduced significantly. I’m pleased with the outcome.
7.5
Strengthened resistance
After consuming it for a few days, I noticed a significant improvement in my strength. It also helped with my diarrhoea.
7.5
Improved bowel movements
9 people found this helpful
I took lactoferrin after a course of berberine on my doctor's advice to enhance bowel function. The results were positive; my overall health improved and my bowel movements became more regular, resolving my previous issues with constipation and diarrhoea. I plan to reorder it occasionally. Additionally, I've noticed a pleasant side effect: my skin has cleared up and the rashes have diminished.
9
Odour reduction
8 people found this helpful
This is a supplement I frequently buy. Although the price has increased, I continue taking it for my intestinal health. Unless I consume a lot of fatty foods or desserts, I no longer notice any stool odour. I believe this has also eliminated body odour, particularly noticeable in summer. I even give a small amount to my dog, and he too has benefited from reduced stool odour. However, caution is advised when administering it to pets.
7.5
Acne improvement
I've found this effective for my acne; I believe it helps improve gut health when I take it, which has also kept my diarrhoea at bay.
7.5
Stool firmness improvement
For middle-aged cats, diarrhoea can be a problem. When they are given probiotics alongside this supplement, their stools become firmer. I intend to purchase it again.
7.5
Quality product
1 people found this helpful
Lactoferrin is undoubtedly beneficial. Each daily dose of two capsules contains 200 mg of lactoferrin and 80 mg of vitamin C. The product quality is excellent, and the packaging is child-safe. Although rare side effects like diarrhoea may occur, the supplement is generally well tolerated.
7.5
Eating improvement
4 people found this helpful
I purchased this for my cat, who struggled with dry food. Concerned about the limited lactoferrin content in other products, I found this supplement. After starting with a quarter of a capsule, I've gradually increased it. Now, nine months later, my cat eats more normally without gastrointestinal issues like diarrhoea. There are still some red spots on his gums, but he seems to be doing well.
7
Lactoferrin reduces diarrhea in children
Efficacy of lactoferrin supplementation in pediatric infections: A systematic review and meta-analysis.
We conducted a comprehensive review and meta-analysis to understand how lactoferrin (LF) supplementation affects diarrhea in children. This involved examining a number of randomized controlled trials involving participants under 18 years old.
From our analysis, which sifted through an impressive 1,594 citations, we identified 25 studies that met our criteria. Notably, out of these, 14 studies focused specifically on diarrhea. Our findings indicated that LF supplementation was linked to fewer children experiencing diarrhea compared to those receiving a placebo.
Specifically, the odds of having diarrhea were reduced (with an odds ratio of 0.56) when children were given LF compared to those who weren't. This suggests that lactoferrin could be helpful in reducing the incidence of diarrhea in the pediatric population. However, it's important to note that while the results are promising, further refinement in trial design is necessary to fully understand LF's potential as a public health tool.
8
Lactoferrin reduces diarrhea in piglets
Effects of oral probiotic and lactoferrin interventions on iron-zinc homeostasis, oxidant/antioxidant equilibrium and diarrhoea incidence of neonatal piglets.
We investigated how lactoferrin and probiotics impact diarrhea in neonatal piglets. In our experiment, piglets were divided into four groups receiving different treatments, including lactoferrin and a specific probiotic strain.
We found that those given lactoferrin experienced a significant decrease in diarrhea compared to the control group, while no diarrhea cases were seen in the probiotic and combined treatment groups. Additionally, iron and zinc levels improved, and antioxidant capacity increased in the lactoferrin groups.
Overall, early-life supplementation with the probiotic alone successfully prevented diarrhea in piglets, showcasing its potential benefits.
8
Lactoferrin reduces diarrhea in calves
Schizochytrium sp. and lactoferrin supplementation alleviates Escherichia coli K99-induced diarrhea in preweaning dairy calves.
We investigated the effects of lactoferrin and the microalgae Schizochytrium sp. in combating diarrhea caused by E. coli in young calves. In a study with 50 calves, we saw that those receiving either lactoferrin, Schizochytrium sp., or a combination of both experienced less diarrhea and better weight gain compared to the control group.
This suggests that these supplements can significantly help in managing E. coli-induced diarrhea in preweaning dairy calves. Overall, both treatments could serve as effective, non-antibiotic methods to reduce incidences of diarrhea in these vulnerable animals.
0
Bovine lactoferrin ineffective for AAD
Bovine Lactoferrin in the Prevention of Antibiotic-Associated Diarrhea in Children: A Randomized Clinical Trial.
In a well-structured study involving 156 children on antibiotics, we set out to see if bovine lactoferrin (bLf) could help prevent antibiotic-associated diarrhea (AAD). Kids were randomly given either bLf or a placebo twice daily during their antibiotic treatment.
Unfortunately, our findings revealed that AAD occurred more frequently in the bLf group—21.3% compared to just 9.3% in the placebo group. This suggests that bLf does not effectively prevent diarrhea; in fact, it may increase the risk. Importantly, we observed no adverse effects in either group.
8
Lactoferrin shows promise in treatment
Lactoferrin as Possible Treatment for Chronic Gastrointestinal Symptoms in Children with Long COVID: Case Series and Literature Review.
We explored the potential of lactoferrin as a treatment for chronic gastrointestinal symptoms in children suffering from Long COVID. In a case series involving two patients, high doses of oral lactoferrin were administered after they reported ongoing issues like diarrhea following COVID-19. Remarkably, their symptoms reportedly improved after starting the treatment. While this suggests a positive outcome, further research is needed to establish the effectiveness of lactoferrin for broader use in this context.
References
Liu P, Zuo J, Lu H, Zhang B, Wu C. Lactoferrin exhibits PEDV antiviral activity by interfering with spike-heparan sulfate proteoglycans binding and activating mucosal immune response. Vet Res. 2025;56:25. doi:10.1186/s13567-025-01456-5
Mayorga VS, Navarro R, Torres Roldan VD, Urtecho M, Tipe S, et al. Efficacy of lactoferrin supplementation in pediatric infections: A systematic review and meta-analysis. Biochem Cell Biol. 2025. doi:10.1139/bcb-2024-0181
Ma X, Zhang K, Yang N, Hao Y, Mao R, et al. Treatment of lactoferrin and antimicrobial peptide N6 on bacterial enteritis caused by in mice. Biochem Cell Biol. 2025;103:1. doi:10.1139/bcb-2024-0103
Ma L, Zhu Y, Zhu La AT, Lourenco JM, Callaway TR, et al. Schizochytrium sp. and lactoferrin supplementation alleviates Escherichia coli K99-induced diarrhea in preweaning dairy calves. J Dairy Sci. 2024;107:1603. doi:10.3168/jds.2023-23466
Sarkar VK, De UK, Kala A, Chauhan A, Verma AK, et al. Effects of oral probiotic and lactoferrin interventions on iron-zinc homeostasis, oxidant/antioxidant equilibrium and diarrhoea incidence of neonatal piglets. Benef Microbes. 2023;14:197. doi:10.3920/BM2022.0032
Ma X, Hao Y, Mao R, Yang N, Zheng X, et al. Effects of dietary supplementation of bovine lactoferrin on growth performance, immune function and intestinal health in weaning piglets. Biometals. 2023;36:587. doi:10.1007/s10534-022-00461-x
Morello R, De Rose C, Cardinali S, Valentini P, Buonsenso D. Lactoferrin as Possible Treatment for Chronic Gastrointestinal Symptoms in Children with Long COVID: Case Series and Literature Review. Children (Basel). 2022;9. doi:10.3390/children9101446
Dierick M, Ongena R, Vanrompay D, Devriendt B, Cox E. Lactoferrin Decreases Enterotoxigenic -Induced Fluid Secretion and Bacterial Adhesion in the Porcine Small Intestine. Pharmaceutics. 2022;14. doi:10.3390/pharmaceutics14091778
Crawford E, Kim S. P046 Tofacitinib Induced Resolution of Severe Colitis and Reactive Atypia in an Adolescent Patient With IBD. Am J Gastroenterol. 2021;116:S12. doi:10.14309/01.ajg.0000798784.35370.2a
Xie W, Song L, Wang X, Xu Y, Liu Z, et al. A bovine lactoferricin-lactoferrampin-encoding CO21 regulates the intestinal mucosal immunity and enhances the protection of piglets against enterotoxigenic K88 challenge. Gut Microbes. 2021;13:1956281. doi:10.1080/19490976.2021.1956281
Jeong YY, Lee GY, Yoo YC. Bovine Lactoferricin Induces Intestinal Epithelial Cell Activation through Phosphorylation of FAK and Paxillin and Prevents Rotavirus Infection. J Microbiol Biotechnol. 2021;31:1175. doi:10.4014/jmb.2106.06044
Wronowski MF, Kotowska M, Banasiuk M, Kotowski A, Kuzmicka W, et al. Bovine Lactoferrin in the Prevention of Antibiotic-Associated Diarrhea in Children: A Randomized Clinical Trial. Front Pediatr. 2021;9:675606. doi:10.3389/fped.2021.675606
Chen K, Jin S, Chen H, Cao Y, Dong X, et al. Dose effect of bovine lactoferrin fortification on diarrhea and respiratory tract infections in weaned infants with anemia: A randomized, controlled trial. Nutrition. 2021;90:111288. doi:10.1016/j.nut.2021.111288
Chichlowski M, Bokulich N, Harris CL, Wampler JL, Li F, et al. Effect of Bovine Milk Fat Globule Membrane and Lactoferrin in Infant Formula on Gut Microbiome and Metabolome at 4 Months of Age. Curr Dev Nutr. 2021;5:nzab027. doi:10.1093/cdn/nzab027
Donovan B, Suarez-Trujillo A, Casey T, Aryal UK, Conklin D, et al. Inclusion of Oat and Yeast Culture in Sow Gestational and Lactational Diets Alters Immune and Antimicrobial Associated Proteins in Milk. Animals (Basel). 2021;11. doi:10.3390/ani11020497
Mizuki M, Tsukahara T, Oda H, Tanaka M, Yamauchi K, et al. Effects of Lactoferrin on Prevention of Acute Gastrointestinal Symptoms in Winter: A Randomized, Double-Blinded, Placebo-Controlled Trial for Staff of Kindergartens and Nursery Schools in Japan. Int J Environ Res Public Health. 2020;17. doi:10.3390/ijerph17249582