Women's Health
Evidence-informed guides on hormonal health, menstrual cycle nutrition, perimenopause, bone density, thyroid, iron deficiency, and mental wellness.
Balancing Hormones Naturally
Oestrogen, progesterone, cortisol, insulin, and thyroid hormones form an interconnected web. Disruption in one cascades through the others. Diet, sleep, stress management, and targeted nutrients are the most powerful levers for hormonal balance — often more effective than people realise.
- Cruciferous vegetables (broccoli, kale, cauliflower) support oestrogen metabolism via DIM and I3C
- Seed cycling — flaxseeds in the follicular phase, pumpkin seeds in the luteal phase — may support progesterone
- Magnesium deficiency is extremely common in women and disrupts cortisol, sleep, and insulin sensitivity
- Reducing ultra-processed foods and refined sugar is the single most impactful dietary change for hormonal balance
- Adaptogenic herbs (ashwagandha, rhodiola) have evidence for cortisol modulation and stress resilience
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Eating for Your Cycle
The four phases of the menstrual cycle — menstrual, follicular, ovulatory, and luteal — each have distinct hormonal profiles that influence energy, mood, appetite, and nutritional needs. Cycle-syncing your diet is not a trend; it is applied physiology.
- Menstrual phase: iron-rich foods (lentils, spinach, red meat) to replace losses; anti-inflammatory omega-3 for cramps
- Follicular phase: lighter, fresh foods; oestrogen rises naturally — support with flaxseeds and fermented foods
- Ovulatory phase: peak energy; zinc-rich foods (pumpkin seeds, chickpeas) support ovulation
- Luteal phase: progesterone rises; magnesium-rich foods (dark chocolate, leafy greens) reduce PMS symptoms
- Vitamin B6 (salmon, bananas, chickpeas) has strong evidence for reducing PMS mood symptoms
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Navigating the Transition
Perimenopause typically begins in the mid-40s and can last 4–10 years before menopause. The hormonal fluctuations of this transition — declining oestrogen and progesterone — affect sleep, mood, cognition, cardiovascular risk, and bone density. Nutrition and lifestyle are the most evidence-supported first-line interventions.
- Phytoestrogens (soy isoflavones, flaxseeds) have modest evidence for reducing hot flash frequency
- Calcium (1,200mg/day post-menopause) and vitamin D3 (2,000 IU/day) are essential for bone protection
- Omega-3 fatty acids support mood stability and reduce cardiovascular risk during the transition
- Resistance training 2–3x per week is the most effective intervention for preserving muscle and bone mass
- Sleep disruption is near-universal in perimenopause; magnesium glycinate and consistent sleep timing help
- Reducing alcohol significantly improves hot flashes, sleep quality, and mood stability
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Protecting Your Bones
Women lose up to 20% of bone density in the 5–7 years following menopause. Osteoporosis is not inevitable — it is largely preventable with the right nutritional and exercise strategy, ideally started well before menopause.
- Calcium from food is better absorbed than supplements — dairy, sardines with bones, fortified plant milks, kale
- Vitamin D3 + K2 combination: D3 increases calcium absorption; K2 directs it into bones rather than arteries
- Magnesium is required for vitamin D activation — deficiency undermines the entire calcium-D3 system
- Weight-bearing exercise (walking, hiking, resistance training) stimulates bone remodelling
- Collagen peptides (10g/day) have emerging evidence for improving bone mineral density
- Excessive caffeine, alcohol, and sodium increase urinary calcium loss — moderate all three
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Thyroid Health & Iron Deficiency
Thyroid disorders affect women at 5–8 times the rate of men. Iron deficiency anaemia is the most common nutritional deficiency worldwide, disproportionately affecting women of reproductive age. Both conditions are frequently underdiagnosed and profoundly affect energy, cognition, and quality of life.
- Selenium (Brazil nuts, sardines, eggs) is essential for thyroid hormone conversion (T4 to T3)
- Iodine deficiency is a leading cause of hypothyroidism globally — seaweed, dairy, eggs are good sources
- Goitrogenic foods (raw cruciferous vegetables) are only a concern in large quantities with existing iodine deficiency
- Iron absorption is enhanced by vitamin C (eat with citrus or bell peppers) and inhibited by calcium and tannins (tea, coffee)
- Ferritin below 30 ng/mL causes fatigue and hair loss even when haemoglobin is normal — ask your doctor to check ferritin specifically
- Haem iron (meat, fish) is absorbed at 15–35%; non-haem iron (plants) at 2–20% — combine strategically
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Women's Mental Health & Nutrition
Women are twice as likely as men to experience depression and anxiety. The hormonal fluctuations across the menstrual cycle, pregnancy, postpartum, and menopause all have profound effects on mood and mental health. Nutrition is one of the most underutilised tools in women's mental health.
- Omega-3 DHA and EPA have strong evidence for reducing depression severity — 1–2g EPA+DHA daily
- The gut-brain axis: fermented foods and prebiotic fiber support serotonin production (90% is made in the gut)
- Magnesium deficiency is strongly associated with anxiety and depression — most women are deficient
- B vitamins (especially B6, B9 folate, B12) are essential for neurotransmitter synthesis
- Regular aerobic exercise is as effective as antidepressants for mild-moderate depression in multiple RCTs
- Vitamin D deficiency is strongly associated with depression — test and supplement if below 50 nmol/L
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