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Iron. Hormones. Creatine. Sleep. Every Tuesday, I break down the research on what actually fuels women's energy.
Ten things claim to build or protect your bones. Here's the ranked order of what the evidence shows can make the biggest difference.
Jul 14, 2026
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4 min read
absorption
+1
Two kinds of low iron feel identical, and lactoferrin only speaks to one of them.
Jul 7, 2026
+3
strength training
+6
Estrogen and progesterone don't just shape mood and cycles. They also change how your body uses creatine.
Sep 9, 2025
7 min read
Vitamin D lowers hepcidin, the hormone that regulates iron. So does topping it up move the needle?
Jun 30, 2026
3 min read
From nuts to oysters, here's what copper does in your body and the supplement that works against it.
Jun 23, 2026
copper
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