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šŗ Modern Women, Ancient Bodies: Why Iron Used to Be Effortless
The foods your ancestors ate kept them energized. Hereās how to bring that wisdom back.

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Iron used to be effortless.
Modern food systems changed that. Reclaim one ancestral habit this weekālike wild fish or fermented foodsāto work with your biology, not against it.
Why does this feel so hard? Isnāt my body built for this?
For thousands of years, women carried pregnancies, raised children, and led families and societies without supplements, blood tests, or symptom tracking.
Yet here I was, bone-tired and foggy-brained, wondering why I felt like I was failing at something my body was supposed to do effortlessly.
Our biology hasnāt changed. But the world around us has. The way we get iron today is nothing like it was for the women who came before us.
They didnāt count milligrams or plan meals for absorption. They just ate. And it worked.
This issue kicks off a new series unpacking the disconnect between modern life and ancient biologyāstarting with how food systems changed, and why your body isnāt broken.

How Traditional Diets Made Iron Effortless
Before food was mass-produced, iron-rich foods were a natural part of the human diet.
Historically, no part of an animal was wasted. Organ meats (liver, heart, kidney) were some of the most prized foods consumed regularly across cultures because they were recognized as nutrient powerhouses.
For many coastal and river-based communities, shellfish were a major dietary staple. Oysters, mussels, and clams2 contain more heme iron per serving than beef.
Shellfish also provide zinc, B12, and copper, which work synergistically to enhance iron metabolism. Unlike many modern seafood sources, wild shellfish were naturally richer in minerals due to the nutrient-dense waters they were harvested from.
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Wild plants and whole grains were grown in mineral-rich soil. Whole grains retained their iron-rich bran and germ layers (unlike modern refined grains).
Fermentation3 and sprouting techniques4 (common before industrialized food production) naturally reduced phytates, which inhibit iron absorption.
In truth, a woman eating a traditional meal of wild-caught fish, whole grains, and fermented vegetables in 1800 would get far more iron than someone today eating a processed diet with fortified cereal and conventionally raised meat.

Modern food systems made iron harder to come by, but you can reconnect with nutrient-dense habits, one step at a time:
š Add one wild-caught fish (like sardines, mackerel, or oysters) to your grocery list this week.
š„¬ Pick up a fermented food (like kimchi, sauerkraut, or kefir) to support gut health and absorption.
š¦Ŗ Go for oysters this week. Theyāre some of the richest natural sources of iron.
š Visit a local market for seasonal, unprocessed foods grown closer to home.
You donāt have to overhaul your diet. Just start thinking more like your great-great-grandmother. She didnāt track iron, and she didnāt need to.

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1 Liver is one of the most concentrated sources of heme iron. Heart and kidneys also contain high levels of iron, vitamin B12, and other critical blood-building nutrients.
2 Certain types of clams (100g) can contain over 25mg of ironāmore than 130% of the daily recommended intake for women!
3 Traditional sourdough fermentation, for example, significantly reduces phytates, allowing for higher iron (as well as magnesium and phosphorus) bioavailability compared to mass-produced breads.
4 To find these products, look for terms like āsprouted,ā āgerminated,ā or āactivatedā on the ingredient list of front label.
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