| Today’s letter |
| Your breakfast, your tea, and the hour between them |
| In 1983, three researchers in a hospital lab fed a group of volunteers a hamburger meal. The iron in that food was tagged so it could be traced, which meant they could measure how much of it reached the blood. One test gave the volunteers water with the food. Another gave them a cup of coffee. Coffee cut the iron absorbed by 39%, and tea cut it by 64%. |
| Then comes the part that gets skipped. Coffee taken an hour before the meal did nothing at all to the iron. Same cup, same food, sixty minutes earlier… and the meal gave up its iron as if the coffee had never been there. I have been thinking about that experiment all week, because of what is filling your feed right now. Perimenopause is everywhere in 2026, and the loudest thing in it is not hot flashes. It is exhaustion. |
| “Why am I so tired all the time?” |
| You are not a tired person. For twenty years you raised the kids, held the job, and got the call whenever something went wrong. Tired was something you pushed through, and it always lifted. This one is different. It does not lift after a full night of sleep, and it arrived somewhere in your forties, around the time your periods stopped keeping to a schedule. |
| So you did what you were told. You went to bed earlier, cut the wine, tried the magnesium, took up the walking. Nothing gave the energy back, so you decided the problem was you: getting older, out of shape, not disciplined enough. Every list of perimenopause symptoms you had ever seen led with hot flashes, and you were not having many of those, so the tiredness never looked like a symptom at all… |
| Here’s what gets me. |
| None of this was ever your fault. Nobody sat you down and explained what those years do to your blood. |
| Let me show you how I know, and I want to do it with a study rather than an opinion. There is a pill stack going around the perimenopause posts this summer, a heartburn tablet taken together with an allergy tablet, and the doctors who keep getting asked about it say there is no credible evidence behind it. Here is what does have evidence, starting with the part nobody mentions about your forties: as the cycles stop ovulating on schedule, the bleeding often gets heavier, and iron goes out with the blood month after month. What matters then is how much iron gets back in, and that is where the cup in your hand comes in. |
| In 2017, a team in England ran a careful little test on twelve healthy women. Each woman came in three times, two weeks apart, and ate the same breakfast on every visit: a bowl of oatmeal made with a measured dose of iron that could be tracked in the blood afterward. |
| The only thing that changed was the drink. Water came with the meal on the first visit, and a cup of tea came with it on the second. On the third visit, that same cup of tea arrived an hour after the meal was finished. |
| What they found |
| Controlled trial in 12 healthy women, 2017. Ahmad Fuzi et al., The American Journal of Clinical Nutrition. |
| The tea with the meal (less iron got in) |
| When the tea came alongside the oatmeal, the women absorbed 3.6% of the iron in it. |
| The tea an hour later (the iron got in) |
| Same women, same oatmeal, same tea. With sixty minutes between the last bite and the cup, absorption came in at 5.7%, matching the visit where they drank plain water. |
| One hour was the whole intervention. Nothing was added to the meal and nothing was taken away. |
|
|
| In other words, the tea was never the problem. The problem was where it landed, right on top of the food. |
| Your willpower had nothing to do with any of it. No amount of trying harder changes what a cup of tea does in your gut. |
| So what is a cup of tea actually doing down there? |
| Tea and coffee carry compounds called polyphenols, and the tannins are the ones that matter here. They grab the iron from your food while it is still in your gut and hold it in a form your body cannot take up, so it passes straight through you. Timing decides the whole thing, because the grabbing only happens while the iron and the tannins sit in the same place at the same moment. Give the meal a head start and the iron is already across the wall of your intestine by the time the tea arrives. Meanwhile the other half of this is going on in your cycle: without regular ovulation there is no progesterone to steady the lining of the womb, so estrogen leaves it thicker and more fragile and prone to heavy shedding. Heavier bleeding is the most common reason women in these years run low on iron, and low iron has been linked to exactly the kind of tiredness you have been blaming on yourself. |
| You never stood a chance with this one. Nobody handed you those sixty minutes, and nobody said a word about what the heavier months were taking out of you. |
| That’s the part no one says out loud… the tiredness had a cause the whole time, and it was never a flaw in you. |
