The Reserve Guide

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A small ceramic dish holding a very small quantity of pale powder, far more empty dish than powder
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What L-Lysine Is Doing in an Iron Formula

Lysine reads like it wandered in from another aisle. The honest answer to why it is there ends somewhere less certain than most brands will admit.

ferritinA wide shallow bowl and a tall narrow cup holding the same terracotta liquid at the same depth

Ferritin and Thyroid: Two Questions That Often Arrive Together

A thyroid panel and a ferritin test get ordered for the same complaints. They are two instruments pointed at two different things, and both can be worth looking at.

ferritinA row of identical ceramic dishes holding a shallow film of terracotta liquid, one holding noticeably more

Heavy Periods and the Iron Reserve: An Arithmetic Problem

A reserve is a balance, not a level. When the monthly withdrawal outruns the deposit for years, the account descends along a slope nobody feels.

ferritinTwo nested ceramic bowls, one resting inside the other, both empty

Iron After Birth: Why the Reserve Is Often the Last Thing Checked

A birth withdraws roughly a thousand milligrams of iron. The routine postnatal check is not built to measure what is left in storage.

ferritinA single ceramic bowl of terracotta liquid, still and centred on a wide field of linen

How Long It Takes to Refill an Iron Reserve

A follicle spends a resting phase of roughly three months, and a reserve emptied over years does not refill in fifteen days. Here is what an honest window looks like.

ferritinFour ceramic cups holding terracotta liquid and a fifth left empty at the back of the row

Low Ferritin and Hair Shedding: The Order the Body Rations In

When a reserve runs thin, the body does not spend less on everything at once. It sorts. Here is why a hair follicle waits at the back of that line.