Reviewed against NHS, ACOG, and peer-reviewed clinical guidance. · Last updated 1 July 2026
Your nutritional needs genuinely shift throughout your cycle, and eating to support those shifts can reduce PMS, stabilise energy, and help you feel far more consistent month to month. Here is a practical guide to cycle-synced nutrition.
Eating for the menstrual cycle means adjusting food choices across its four phases: prioritising iron and warm, cooked foods during menstruation, fermented foods and light proteins in the follicular phase, cruciferous vegetables around ovulation, and magnesium, calcium, and complex carbohydrates in the luteal phase. These targeted shifts can ease PMS, steady energy, and support hormone metabolism through the month.
This guide draws on a 1998 randomised trial of calcium in premenstrual syndrome, a randomised trial of magnesium supplementation in Obstetrics and Gynecology, research on cruciferous vegetables and oestrogen metabolism, and NHS and NIH dietary guidance current as of September 2026.
What should I eat on my period?
During menstruation the priority is replacing iron, especially with a heavy flow. The National Institutes of Health iron fact sheet notes that menstruating women need more iron than men because blood loss depletes stores each cycle. Iron-rich foods to lean on include lentils, spinach, red meat, tofu, and pumpkin seeds. Pairing them with a vitamin C source such as citrus, peppers, or kiwi improves absorption of the non-heme iron in plant foods. Digestion also tends to feel more sensitive now, so warm, cooked meals like soups, stews, and bone broth usually sit better than raw salads or cold dishes. This phase overlaps with the low-energy window described in the guide to the four cycle phases, so lighter cooking and simple meals help.
What foods support the follicular phase?
As oestrogen rises after the period, metabolism becomes more efficient and the gut microbiome is particularly responsive to support. Fermented foods such as yoghurt, kefir, kimchi, and sauerkraut feed the gut bacteria involved in metabolising oestrogen. Light proteins like eggs, fish, and legumes paired with complex carbohydrates from oats, quinoa, or sweet potato match the rising energy of this phase and support the training gains covered in the guide to training with your cycle. This is not a phase for undereating. Solu is a women's wellness app that maps cycle-phase-aware guidance across movement, nutrition, sleep, and energy, surfacing these follicular food priorities on the right day rather than leaving them to memory.
What should I eat around ovulation?
Oestrogen peaks at ovulation, and the liver works harder to clear the excess. Cruciferous vegetables such as broccoli, cauliflower, Brussels sprouts, and kale contain indole-3-carbinol, a compound that research in the Journal of Nutrition links to more favourable oestrogen metabolism. Two to three servings across the ovulatory window is a practical target. Body temperature also rises slightly around ovulation, so water intake matters more even without obvious thirst. Fibre from these vegetables and from whole grains supports the gut clearance of used hormones, which is one reason this is a useful phase to be deliberate about vegetable intake.
What should I eat in the luteal phase to reduce PMS?
Progesterone raises basal metabolic rate in the luteal phase, so appetite genuinely increases in the second half of the cycle, and meeting that with satisfying meals works better than restricting. Two minerals have randomised-trial support for premenstrual symptoms. A 1998 trial in the American Journal of Obstetrics and Gynecology found 1,200 mg of calcium per day cut luteal symptom scores by about 48 percent by the third cycle, against 30 percent on placebo. A trial in Obstetrics and Gynecology found magnesium supplementation reduced PMS-related mood changes and fluid retention. Food sources worth prioritising in the two weeks before a period:
- Calcium: yoghurt, milk, fortified plant milks, tinned sardines, leafy greens
- Magnesium: dark chocolate, almonds, cashews, pumpkin seeds, black beans
- Complex carbohydrates: oats, brown rice, wholegrain bread to steady serotonin and mood
- Lower caffeine and alcohol, both of which sharpen anxiety and fragment sleep when progesterone peaks
In the late luteal week, Solu nudges nutrition toward these calcium, magnesium, and complex-carbohydrate choices at the point in the cycle they matter most. The sugar cravings many women notice here are covered in the guide to why sugar cravings spike before a period, and the sleep disruption in the guide to how periods affect sleep quality.
How do I start eating for my cycle without a full diet overhaul?
The most effective approach is one or two intentional choices per phase rather than a new meal plan. The hard part for most women is simply knowing which phase they are in and what to prioritise that week. Solu surfaces daily nutrition guidance based on the current cycle phase, so an iron-focused week or a magnesium-focused week arrives as a timely nudge rather than something to recall from scratch each month. For the specific foods that support hormonal balance across the whole cycle, see the guide to what foods help balance hormones naturally, and for the phase-by-phase physiology behind these shifts, the guide to what the luteal phase is.
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