Eating for your cycle: a dietitian’s honest take

Cycle syncing suggests changing what you eat in each phase of your menstrual cycle, from seed cycling to phase-specific meal plans. It can make you more aware of your body, which is a good thing. The evidence behind the specific rules, though, is still thin.

What the research supports

Your needs do shift a little across the month. Energy needs can rise slightly in the days before your period, and many women notice stronger cravings then. That’s normal physiology, not a lack of discipline.

• Iron needs are higher if your periods are heavy.

• Regular meals with protein and fiber can ease mood swings and cravings.

• Omega-3 fats and magnesium may help with period pain for some women.

What it doesn’t (yet)

There isn’t good evidence that eating specific seeds in specific weeks balances hormones, or that you need a different diet in each phase. Rigid plans can also add stress around food, which rarely helps your hormones.

Three habits worth keeping

1. Eat enough, especially before your period

A little more food in the late luteal phase is expected. A satisfying snack with protein beats fighting cravings all evening.

2. Look after your iron

Include iron-rich foods like lentils, beans, leafy greens and red meat if you eat it, and pair plant sources with vitamin C. If you’re always tired, ask your doctor to check your ferritin.

3. Add seeds for fiber, not magic

Flax, pumpkin and sunflower seeds are great for fiber and healthy fats. Enjoy them all month long.

When to get support

If you have very painful or irregular periods, PCOS or suspected endometriosis, talk to your doctor. A dietitian can then help you build a plan around your diagnosis, not around a trend.