Understanding Your Menstrual Cycle: How To Nourish Your Body In Each Phase

Your menstrual cycle brings distinct hormonal shifts that influence your energy, mood, appetite, and nutritional needs.

If you've noticed that your energy, cravings, mood, or motivation seem to shift throughout the month, you're not imagining it. Your menstrual cycle creates four distinct hormonal environments, and each one can influence how your body feels.

In this article, you'll learn what's happening hormonally in each phase of your cycle; how those shifts affect the way you feel day to day; and which foods, nutrients, and supplements can help you feel your best throughout the month.

The Four Phases of the Menstrual Cycle

Researchers recognize four distinct hormonal environments across the menstrual cycle (1). Each phase is shaped by natural shifts in estrogen, progesterone, luteinizing hormone (LH), and follicle-stimulating hormone (FSH).

Menstrual Phase (Days 1-5, approximately): Your period begins. Estrogen and progesterone are at their lowest.
Follicular Phase (Days 6-13, approximately): Estrogen rises steadily as follicles develop in the ovaries.
Ovulatory Phase (Days 14-16, approximately): Estrogen peaks, triggering a surge in luteinizing hormone (LH) that leads to the release of an egg.
Luteal Phase (Days 17-28, approximately): Progesterone rises significantly after ovulation, and estrogen experiences a secondary, smaller rise before both hormones drop at the end of the cycle.

Keep in mind that these day ranges are based on a 28-day cycle. Your cycle may be shorter or longer.

To learn more, read this article: Supporting Hormone Balance Naturally With Seed Cycling

How To Fuel Your Body Through The Different Phases of your Menstrual Cycle

Your hormones naturally shift throughout the month, and those shifts can influence your energy, appetite, digestion, mood, sleep, cravings, and nutrient needs.

Phase 1: The Menstrual Phase - Rest, Replenish, and Rebuild

What's Happening Hormonally

When your period begins, estrogen and progesterone are at their lowest point. The uterine lining sheds, and prostaglandins (hormone-like compounds that trigger uterine contractions) are released. These prostaglandins are responsible for the cramping, lower back discomfort, and flu-like fatigue that some women experience during the first days of their cycle (2).

How You May Feel

Slower. More inward. Possibly achy or fatigued. Many women naturally crave rest during this phase.

How to Nourish Your Body During Your Period

Prioritize iron-rich foods. Blood loss during menstruation leads to iron loss, and women of reproductive age are among the groups most susceptible to suboptimal iron levels (3). Supporting iron intake during and immediately after your period is important for maintaining energy and healthy red blood cell production.

Iron-rich food sources include:

Grass-fed beef and beef liver
Dark leafy greens like spinach and Swiss chard
Lentils and black beans
Pumpkin seeds

Pair iron-rich plant foods with vitamin C-rich foods like citrus, bell peppers, or broccoli to support iron absorption (4).

To learn more about iron supplementation and food sources, read this article: A Guide To Iron Supplementation.

Support a healthy inflammatory response. Omega-3 fatty acids, found in cold-water fish, walnuts, and flax seeds, support a healthy prostaglandin balance, which may contribute to more comfortable periods (5, 6). For women who don't regularly eat fatty fish, a quality omega-3 supplement can be a helpful addition.

Stay warm and hydrated. Warm herbal teas, broths, and soups are especially soothing during this phase. Ginger tea in particular is a traditional favorite for its warming properties and its ability to support a healthy inflammatory response† (7).

Supplement spotlight: Our Liquid Iron provides iron bisglycinate — a gentle, well-absorbed form of iron that's less likely to cause digestive upset than traditional iron supplements†.

Phase 2: The Follicular Phase - Energy Returns, Focus Sharpens

What's Happening Hormonally

After your period ends, follicle-stimulating hormone (FSH) signals the ovaries to develop several follicles. As the dominant follicle grows, it produces increasing amounts of estrogen. This steady rise in estrogen is associated with improved mood, better focus, and a sense of renewed energy (1, 8).

How You May Feel

You may feel more motivated and social. Many women find that the follicular phase is a natural window for creativity, productivity, and starting new projects. Estrogen's positive effects on serotonin and dopamine contribute to this lift in mood and mental clarity (8).

Research on dietary intake across the menstrual cycle consistently shows that women tend to eat less during the follicular phase, likely because estrogen has an appetite-suppressing effect and improves insulin sensitivity (1, 9). This is a great phase to lean into lighter, fresh foods.

How to Nourish Your Body During the Follicular Phase

Focus on fresh whole foods. This phase calls for nutrient-dense, variety-rich meals that support hormone synthesis and tissue repair after menstruation. Think lean proteins, colorful vegetables, healthy fats, and complex carbohydrates.

Great follicular phase foods include:

Eggs and poultry
Avocado and olive oil
Cruciferous vegetables like broccoli, kale, and cauliflower, which support healthy estrogen metabolism
Berries, citrus, and other vitamin C-rich fruits
Fermented foods like yogurt and sauerkraut

A bowl of vegetables and hard boiled eggs.

Phase 3: The Ovulatory Phase - Peak Energy, Peak Demands

What's Happening Hormonally

Estrogen peaks just before ovulation, triggering a surge in luteinizing hormone (LH) that signals the release of a mature egg. Testosterone also rises slightly around ovulation, contributing to heightened confidence, drive, and libido.

How You May Feel

Energized. Social. Often at your most productive and communicative. Many women feel their best physically around ovulation.

How to Nourish Your Body During Ovulation

Maintain nutrient density. With high energy demands during this phase, it's important to continue eating well and not restrict calories, especially if you're physically active.

Key nutrients to focus on during ovulation include:

Zinc, which plays a role in follicle development and ovulation (10)
B vitamins, particularly folate
Antioxidants from colorful fruits and vegetables to support overall cellular health

Stay hydrated. Cervical mucus changes during ovulation require adequate hydration. Aim for consistent water intake throughout the day.

A variety of colorful fruits and vegetables.

Phase 4: The Luteal Phase - Nourish the Nervous System and Prepare for Renewal

What's Happening Hormonally

After ovulation, the empty follicle (now called the corpus luteum) begins producing progesterone. This is the most hormonally complex phase of the cycle. Progesterone is dominant, and estrogen experiences a secondary, smaller rise before both hormones drop toward the end of the phase, triggering menstruation and restarting the cycle.

Research shows that women tend to have higher caloric intake and increased appetite during the luteal phase, driven largely by rising progesterone (1). This is completely normal and physiologically appropriate.

How You May Feel

Heavier, slower, or more inward as the phase progresses. Some women experience bloating, breast tenderness, food cravings, fatigue, or mood changes in the days leading up to their period. These experiences are common and can often be supported through targeted nutrition and supplementation.

To learn more, read this article: PMS: What It Is, Why It Happens, & How To Feel Better During Your Luteal Phase

How to Nourish Your Body During the Luteal Phase

Increase complex carbohydrates. Progesterone affects blood sugar regulation, which can contribute to cravings and mood changes (1). Prioritizing slow-digesting complex carbohydrates helps stabilize blood sugar and support serotonin production.

Supportive luteal phase carbohydrates include:

Sweet potatoes and squash
Brown rice, quinoa, and oats
Legumes and lentils
Root vegetables

Lean into magnesium-rich foods. Magnesium plays a key role in muscle relaxation, nervous system support, and mood regulation, all of which become especially relevant during the luteal phase. Research suggests that magnesium may support women experiencing physical and emotional discomfort related to their cycle (11, 12).

Magnesium-rich foods include:

Dark chocolate (bonus: it may help with cravings!)
Pumpkin seeds and almonds
Leafy greens and avocado
Bananas

Support with omega-3 fatty acids. Omega-3 fatty acids have been studied for their role in supporting a healthy prostaglandin balance, which is relevant to both the luteal phase and the onset of menstruation (5, 6). A quality omega-3 supplement is a meaningful support tool during this phase†.

Don't skip B vitamins. Vitamin B6 may support mood during the luteal phase✝︎ (13, 14). Food sources of B6 include poultry, fish, bananas, and chickpeas.

Supplement spotlight: Our Mighty Magnesium provides highly absorbable magnesium bisglycinate to support relaxation, mood, and sleep during this phase†. For deeper nervous system support, our Mother's Peace & Calm✝ offers a gentle botanical blend with lemon balm and L-theanine.

To learn more about different forms of magnesium, read this article: Magnesium 101: Benefits, Food Sources, Daily Needs, and Supplement Types

A variety of magnesium rich foods on a white surface.

A Note on Hormonal Birth Control

Hormonal contraceptives, including the pill, patch, ring, and hormonal IUD, alter the natural hormonal rhythms described in this article. Women using hormonal birth control may not experience the same cyclical shifts in energy and appetite, and nutritional needs may look somewhat different.

To learn more, read this article: Nutrient Depletion & The Birth Control Pill

Summary

Your menstrual cycle brings distinct hormonal shifts that influence your energy, mood, appetite, and nutritional needs. During menstruation, prioritize iron and omega-3s to replenish what's lost. In the follicular phase, lean into fresh, nutrient-dense foods including cruciferous vegetables that support estrogen metabolism. Around ovulation, focus on zinc, B vitamins, and hydration. In the luteal phase, when cravings and discomfort are most common, complex carbohydrates, magnesium, omega-3s, and B vitamins are your best allies.

† These statements have not been evaluated by the Food and Drug Administration (FDA). This product is not intended to diagnose, treat, cure, or prevent any disease.