ENERGY levels and hormonal balance are closely tied to nutrition. When the body lacks key nutrients or experiences frequent blood sugar fluctuations, it can affect the menstrual cycle, thyroid function and stress hormones such as cortisol.

“A diet rich in whole, nutrient-dense foods helps regulate these systems by providing steady fuel, supporting hormone production, and reducing physiological stress,” explained health promotions specialist Dahlia-Leigh Cox.

She said the specific foods a person consumes contribute to stable energy, reproductive health, metabolic balance and stress regulation.

“For example, there are foods that guarantee stable energy levels, which ensure that you maintain balanced blood sugar and provide the body with a consistent supply of nutrients,” said Cox.

“Diets high in refined sugars and processed foods often lead to rapid spikes and crashes in energy. In contrast, meals built around complex carbohydrates, protein, and healthy fats allow glucose to be released gradually into the bloodstream.”

She said these foods, like whole grains, root vegetables, legumes and fibre-rich vegetables slow digestion and prevent sudden energy drops. Protein sources such as eggs, fish, poultry and plant-based proteins help repair tissues and keep hunger in check.

“Healthy fats from avocados, nuts, seeds and olive oil further stabilise blood sugar and support brain function. Together, these foods promote sustained physical and mental energy throughout the day.”

Cox said in regards to a woman’s menstrual cycle, this requires adequate nutrients to support hormone production, ovulation and menstruation.

“Iron, magnesium, B vitamins and healthy fats play essential roles in reducing fatigue, minimising cramps, and supporting hormone balance,” she said.

“Iron-rich foods help replace iron lost during menstruation and support oxygen transport in the blood, reducing tiredness. Omega-3 fatty acids found in fatty fish and seeds reduce inflammation and may ease menstrual pain. Magnesium supports muscle relaxation and nervous system function, which can help with cramps and mood changes. B vitamins support energy metabolism and hormone synthesis, contributing to smoother cycle regulation.”

Where thyroid health is concerned, Cox explained that the thyroid gland regulates metabolism, body temperature and energy production, and to function properly, it requires specific micronutrients, particularly iodine, selenium and zinc.

“Inadequate intake of these nutrients can impair thyroid hormone production and conversion,” she said. “Iodine is essential for creating thyroid hormones, while selenium helps convert them into their active form. Zinc supports immune and endocrine function and assists hormone signalling.”

Meanwhile, adequate protein intake is also critical, as thyroid hormones are protein-based.

“Including seafood, eggs, nuts, seeds, legumes and quality protein sources helps maintain healthy thyroid activity and metabolic balance,” Cox said.

Cortisol, she said, plays an important role in the body’s stress response, but chronically elevated levels can disrupt sleep, energy, digestion and hormonal balance.

“Nutritional support can help regulate cortisol by stabilising blood sugar and supporting adrenal function. Vitamin C–rich foods, for example, help reduce oxidative stress and support adrenal health. Complex carbohydrates prevent sharp blood sugar drops that can trigger cortisol release,” Cox said. “Minerals such as calcium and magnesium help calm the nervous system, while adaptogenic foods and herbs may support the body’s ability to cope with stress. Consistent, balanced meals are key to preventing stress-related energy crashes.”

Cox said hormonal health depends on efficient digestion, detoxification, and inflammation control. The gut and liver play central roles in hormone regulation, making fibre and gut-supportive foods especially important.

“Cruciferous vegetables help the body metabolise excess hormones effectively. Fermented foods support gut health, improving nutrient absorption and hormone signalling. Seeds such as flax and chia provide fibre and plant compounds that support oestrogen balance,” she explained, adding that anti-inflammatory herbs and spices further protect the endocrine system by reducing chronic inflammation.

Cox emphasised that consistency is key, to ensure that the body is equipped to regulate hormones and maintain resilience.