TL;DR
Cortisol is a hormone produced by the adrenal glands. In short, it helps you wake up, stay alert and respond to challenges.
“Cortisol belly” is a popular, non-medical phrase. It is commonly used to describe increased fat storage around the abdomen that people associate with stress. In midlife, chronic stress, sleep disruption, blood sugar instability and constant stimulation can keep cortisol elevated longer than required. This can lead to a wide range of health concerns.
Supporting healthy cortisol balance is not about doing more. It is about creating daily conditions that help the nervous system feel safe. Simple habits around mornings, balanced meals, movement, and rest can support stress resilience and long-term well-being.
What is cortisol, and why does it matter?
Cortisol is often referred to as the “stress hormone.” It is produced by the adrenal glands and plays a central role in the fight-or-flight response, helping your body mobilise energy, heighten alertness and prioritise survival when a threat is perceived.
Beyond acute stress, cortisol plays a crucial role in everyday functioning. It helps with:
- Regulating your sleep-wake cycle
- Supporting energy availability throughout the day
- Helping manage and stabilise blood sugar levels
- Assisting immune system function
- Supporting the body’s response to physical and emotional stress
Cortisol is not a “bad” hormone. It is vital and required for daily function.
Your cortisol naturally rises in the early morning, and this is known as the cortisol awakening response. It helps you wake up and feel alert. Levels then gradually decline across the day, reaching their lowest point at night.
When cortisol levels are persistently high, this can lead to mental and physical effects that often go unnoticed.
Symptoms of high cortisol may include:
- Weight gain, especially around the mid-section
- Sleep disturbances or insomnia
- Sugar cravings
- Fatigue
- Mood fluctuations
- Skin changes
- Irregeular periods
- Low libido
- Muscle weakness
What does “cortisol belly” actually mean?
“Cortisol belly” is a popular, non-medical phrase. It is commonly used to describe increased fat storage around the abdomen that people associate with stress. It is not a recognised medical diagnosis.
The abdominal area contains a higher concentration of cortisol receptors compared with some other body regions. For this reason, chronic stress is sometimes discussed in relation to central fat storage.
However, cortisol doesn’t work alone. It is part of an interconnected hormonal system and is in constant communication with:
- Insulin, which regulates blood sugar and influences fat storage
- Thyroid hormones, for metabolic rate
- Oestrogen and testosterone
- Appetite-regulating hormones such as ghrelin and leptin
Abdominal weight gain is typically not driven by cortisol alone. It reflects the combined influence of this broader hormonal network, whether those signals are working in harmony or out of balance.
Daily habits to support healthy cortisol balance during midlife
These habits are not about perfection. They are about signalling safety to the nervous system. Lowering stress load is less about intensity and more about consistency.
Create a supportive morning routine
Cortisol should peak in the first 30-45 minutes after waking. Supporting this natural rhythm improves energy, mood, and metabolic stability throughout the day.
How to do it:
- Get natural sunlight within 10–20 minutes of waking
- Avoid immediately checking emails or social media
- Delay caffeine intake until after eating
- Mindfulness meditationHydration
- 1–2 cups of water upon waking
Stabilise Blood Sugar
Blood sugar instability is one of the most overlooked drivers of elevated cortisol. When blood glucose drops too low, the body perceives it as a threat and releases cortisol to mobilise stored energy and bring levels back up.
Prioritise fibre and protein:
- Most adults need around 1 g of protein per kg of body weight daily, increasing to 1.2–1.3 g/kg for older adults, women in menopause, highly active individuals, or those aiming for optimal health.
- Australians average 23 g of fibre per day, with 83% not meeting the recommended 28–38 g daily target. Most people would need to increase intake by at least 30% to support gut and overall health.
Fibre and protein slow glucose absorption and prevent sharp blood sugar crashes, reducing the need for cortisol to step in and stabilise energy levels.
In perimenopause, declining oestrogen reduces insulin sensitivity. This makes stable meals even more important for preventing cortisol spikes and central weight gain.
|
Protein Foods |
Protein (g per serve) |
Fibre Foods |
Fibre (g per serve) |
|
Chicken breast (100 g cooked) |
31 g |
Lentils (½ cup cooked) |
8 g |
|
Lean beef (100 g cooked) |
26 g |
Raspberries (1 cup) |
8 g |
|
Salmon (100 g cooked) |
22 g |
Black beans (½ cup cooked) |
7–8 g |
|
Greek yoghurt (170 g tub) |
15–17 g |
Chia seeds (1 tbsp) |
5 g |
|
Tempeh (100 g) |
19 g |
Broccoli (1 cup cooked) |
5 g |
|
Eggs (2 large) |
12 g |
Pear (1 medium) |
5–6 g |
If you struggle to meet your fibre requirements, you may consider Vitable’s Digest + Fibre blend, which combines clinically backed SunFiber®, digestive enzymes, and soothing botanicals to support smoother digestion, reduced bloating, and daily gut comfort.
Train the nervous system to feel safe
In midlife, many women are juggling career pressure, families, finances and hormonal shifts. The nervous system can remain in sympathetic dominance.
Lowering cortisol is less about doing more and more and more about creating safety cues.
Daily practices:
- Slow, nasal breathing (4–6 breaths per minute)
- Gentle strength training instead of excessive HIIT
- Evening wind-down rituals (Epsom salts bath, magnesium sleep powder)
- Reducing constant stimulation (tv, notifications, multitasking)
When the body feels safe, it naturally down-regulates cortisol production.
Protect sleep like a non-negotiable
Sleep disruption increases evening cortisol and reduces progesterone, which normally has a calming effect on the brain.
Support sleep by:
- Keeping a consistent bedtime (going to bed at the same time each night)
- Avoiding intense workouts late at night
- Minimising alcohol
- Keeping the bedroom cool and dark
Addressing sleep is one of the fastest ways to improve cortisol rhythm.
What about supplements?
If foundational habits are in place and challenges persist, certain supplements may offer additional support.
- Magnesium (particularly glycinate) is commonly used to support nervous system regulation and muscle relaxation.
- Adaptogenic herbs such as ashwagandha have been studied for their role in supporting stress resilience and perceived stress levels.
- Saffron and Shatavari are traditionally used to support mood balance and nervous system calm, which can be found in Peri Meno Ultra Complex.
FAQs
Is cortisol belly real?
“Cortisol belly” is not a medical diagnosis. It is a popular term used to describe abdominal fat that people associate with stress.
Will lowering cortisol automatically reduce belly fat?
Not necessarily. If cortisol is chronically elevated due to stress and poor sleep, improving stress resilience may help reduce central fat storage over time. Sustainable results come from supporting the entire hormonal system.
Should I test my cortisol?
Cortisol testing should only be undertaken under medical supervision when clinically indicated. If you are concerned about hormonal health, speak with your GP or endocrinologist.
Can supplements lower cortisol?
Supplements shouldn’t replace the foundational habits. Some nutrients and herbal extracts may support stress resilience; however, starting with sleep consistency, balanced meals, regular light exposure and nervous system regulation is the first step to restoring a healthy cortisol rhythm.
If you are unsure what is appropriate for you or have ongoing symptoms, speak with your GP or healthcare practitioner before starting any new supplement.
References
- Kaur J, Gandhi J, Sharma S. Physiology, Cortisol. [Updated 2025 Dec 1]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK538239/
- Hurtado MD, Saadedine M, Kapoor E, Shufelt CL, Faubion SS. Weight Gain in Midlife Women. Curr Obes Rep. 2024 Jun;13(2):352-363. doi: 10.1007/s13679-024-00555-2. Epub 2024 Feb 28. PMID: 38416337; PMCID: PMC11150086.
- Tobias Stalder, Henrik Oster, James L Abelson, Katharina Huthsteiner, Tim Klucken, Angela Clow, The Cortisol Awakening Response: Regulation and Functional Significance, Endocrine Reviews, Volume 46, Issue 1, February 2025, Pages 43–59, https://doi.org/10.1210/endrev/bnae024
- Nowson C, O'Connell S. Protein Requirements and Recommendations for Older People: A Review. Nutrients. 2015 Aug 14;7(8):6874-99. doi: 10.3390/nu7085311. PMID: 26287239; PMCID: PMC4555150.
- Belobrajdic, D. (2018). Gut health to tackle obesity. CSIRO. Available at: https://www.csiro.au/media/gut-health-to-tackle-obesity
