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Iron. Hormones. Creatine. Sleep. Every Tuesday, I break down the research on what actually fuels women's energy.
How riboflavin affects iron absorption and deficiency and the diets that don't deliver it.
Sep 1, 2026
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3 min read
ferritin
+2
You can have textbook-normal iron and still be anemic because a "normal" red-cell size can hide two problems at once.
Aug 25, 2026
2 min read
vitamin B12
+1
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
Oxalate, phytate, and the fortificant in your milk actually decide how much calcium you keep.
Aug 18, 2026
absorption
It's the most-Googled iron pairing after vitamin C, but "absorb more" and "raise your levels" don't necessarily mean the same thing.
Aug 14, 2026
4 min read
vitamin a
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