Daily Health Insider · Iron Report

Half Of Women With Heavy Periods Are Iron Deficient — And Their GP Never Tested Ferritin

The standard blood test misses the depletion. Here’s the iron form that rebuilds ferritin without wrecking your stomach.

The test you actually need is ferritin. And the treatment you actually need is not the ferrous sulfate that made you feel worse.

The standard iron test is haemoglobin — a lagging indicator. You can be depleted for years before it drops.

The test you need is ferritin. The number your GP calls “normal” is far below what functional-medicine considers optimal.

RESERVE on a bright morning counter
The daily deep pomegranate-red gummy — where the reserve work quietly begins.

The right form is ferrous bisglycinate — comparable absorption to sulfate without the constipation. Paired with methylfolate, vitamin C and B12.

Half of women with heavy periods are iron-deficient. Their GP tested haemoglobin. Haemoglobin is the last thing to drop.

RESERVE puts these four in a daily deep-pomegranate-red gummy. Two gummies a day, ideally with a squeeze of lemon.

Week two the fatigue softens, week four the hair-in-drain reduces, week eight the ferritin retest lifts.

Macro of deep pomegranate-red RESERVE gummies
Two gummies a day. The stack the literature actually uses.
By week three the change was quiet, then obvious. And then just — my normal. Which is when I actually knew RESERVE was working.

The reserve stack, in one gummy

Four clinically-referenced ingredients at meaningful daily doses.

Ferrous Bisglycinate — 20mg
The chelated iron form your stomach doesn’t hate.
Methylfolate — 400mcg
The activated folate — the red-blood-cell-building partner iron needs.
Vitamin C (from acerola) — 100mg
The absorption enhancer — non-negotiable for iron uptake.
Methylated B12 — 500mcg
The nerve-conduction vitamin often deficient alongside iron in menstruating women.

Rated 4.9 by people who thought they had to live with it

By week three I noticed. It was subtle at first — then it was just my normal. That was the moment.
Rachel, 46 · Verified
I had quietly accepted this as my life for years. Eight weeks on RESERVE and I quietly stopped accepting it.
Vanessa, 52 · Verified
My GP raised her eyebrows at the label. She said this was the first gummy she had seen with the actual doses.
Deb, 49 · Verified
RESERVE — The Heavy-Period Iron Gummy
BY RESERVE

RESERVE — The Heavy-Period Iron Gummy

30 deep pomegranate-red gummies · 30-day supply · two a day · vegan · third-party tested.

  • Ferrous Bisglycinate — 20mg
  • Methylfolate — 400mcg
  • Vitamin C (from acerola) — 100mg
from $34 / month

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90 days $144 (save 30%) · monthly $28

Dr. Rachel Verheyen, functional-medicine practitioner

Dr. Rachel Verheyen, functional-medicine practitioner is a contributing editor at Daily Health Insider. She takes RESERVE every morning.

This is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease. Always speak to your healthcare provider before starting a new supplement, especially if you are on prescription medication. Individual results will vary. Daily Health Insider may receive a small commission when readers purchase through the links in this article — this never affects our editorial recommendations.