Here’s the kicker: women are more prone to low B12 for a few sneaky reasons. Pregnancy and breastfeeding drain your B12 stores because baby needs it for brain development—so if you’ve had kids, your levels might still be low years later. Also, many women use birth control pills or take metformin for PCOS (polycystic ovary syndrome), both of which can interfere with B12 absorption. And let’s not forget that as you age, your stomach produces less acid to unlock B12 from food, making it tougher to extract even if you eat plenty of meat or eggs.
It’s not a flaw in you—it’s a quirk of how our bodies work. But knowing this makes you an investigator, not a victim.
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