Supplement · Grade B

Lactoferrin (Bovine) and medications.

Not yet catalogued in the Distil interactions database. We surface that distinction explicitly.

Lactoferrin (Bovine) is in the Distil supplement database, evidence Grade B. The page below lists every medication we have explicitly assessed it against.

Lactoferrin is an iron-binding protein found in milk, taken as a gentler way to support iron status and for its effects on immunity. By shuttling iron the way breast milk does, it may improve iron levels with less of the gut upset that higher-dose iron salts can cause, and it has antimicrobial and immune-modulating activity. The evidence is Grade B for iron status and for reducing infections in children, with a meta-analysis of 25 trials showing fewer cases of sepsis, diarrhoea and respiratory infection in under-18s; the adult general-immunity case is weaker. Typical doses are 100 to 200mg a day as an iron adjunct, or 200mg and above for immune support. It is well tolerated and complements iron absorption rather than competing with it. Two notes: it is dairy-derived, so it is not suitable in milk allergy, and iron supplementation still needs a confirmed low ferritin first.

We have not yet completed an explicit assessment of medications for Lactoferrin (Bovine) in the Distil interactions database. We surface this distinction deliberately: the Distil checker tells you when we have explicitly assessed a pair and when we have not, because both are useful information. If you take Lactoferrin (Bovine) alongside a medication, the checker below will surface anything already in our database, and the missing-item form at the bottom of the page routes uncatalogued pairs into our next curation pass.

What this list does not say. Pairs not flagged here are not implicitly safe. They are either not yet in our database, or fall outside our inclusion scope. Use the checker below to surface any medication, and submit a missing item if you take something we have not catalogued.

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For adults over 18. This tool gives evidence-graded information, not medical advice. Always discuss changes with your GP, especially if you take any medication, are pregnant, breastfeeding, or have a serious health condition.

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Your supplements

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How we decide

How we grade severity, choose what's in scope, and what we exclude.

Every call on this page is reasoned. We publish the full rubric for severity tiers, the medication inclusion logic, the evidence grades we accept, and what we deliberately leave out. About three thousand words. Worth reading once if you use this tool more than occasionally.

Read the full methodology

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If a supplement or medication you take isn't in our autocomplete, tell us. We go through what people flag every week and add what's missing.

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Distil's interactions database is reviewed and updated every quarter. We grade evidence transparently and publish our methodology, including every database change, at /about/methodology. This tool is information, not a substitute for clinical judgement. If you take medication and supplements together, your GP or pharmacist can review your full regimen against your medical history. If you want a full personalised stack reasoned against this same database, the Distil report is the next step up.