Lactoferrin
herbs
Lactoferrin is an iron-binding glycoprotein found naturally in milk and other bodily secretions that plays a role in immune function and iron metabolism. It has been studied for its potential antimicrobial and anti-inflammatory properties.
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Benefits
Dosage
Typical Dose
100-300 mg daily
Upper Limit
600 mg daily
Timing
With or without food, preferably with meals
Forms & Bioavailability
Bovine Lactoferrin Powder
Moderate; best absorbed on empty stomach but often taken with food for tolerance
Lactoferrin Capsules
Moderate; enteric-coated forms may improve delivery to intestines
Side Effects
Interactions
Research Summary
Research suggests lactoferrin exhibits antimicrobial and immunomodulatory properties, with some evidence for supporting respiratory and gastrointestinal health. However, human clinical trials remain limited, and most findings are from in vitro or animal studies. Additional well-designed clinical trials are needed to establish efficacy and optimal dosing.
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The Bottom Line on Lactoferrin
Lactoferrin is moderately researched with promising but sometimes mixed evidence.It is most commonly used for immune system support and iron absorption regulation. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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Goal Guides for Lactoferrin
See how Lactoferrin can help with specific health goals: