The Reserve Guide

A single drop falling into a shallow ceramic dish of milk, the source lactoferrin is isolated from

ferritin

What Lactoferrin Actually Does With Iron

Lactoferrin is a protein that binds iron. What it does, why it costs so much, and the difference between an ingredient named and one dosed.

Jul 30, 2026

blood test

An open ceramic bowl holding terracotta liquid beside a sealed ceramic jar: iron in circulation and iron in storage

Ferritin and Iron Are Not the Same Test

One line on a lab report counts the iron that is moving. The other counts the iron that is kept. They are not answering the same question.

Jul 30, 2026

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