At a glance
Elevated cortisol levels, typically linked to stress, disrupt appetite signaling, which can increase the desire for processed, calorie-dense foods. Persistently high cortisol levels may also promote weight gain by stimulating fat storage, interfering with sleep, and disrupting metabolic balance. Adopting lifestyle habits that support healthy cortisol levels can help reduce stress-related cravings and improve overall well-being.
When cortisol levels remain elevated for extended periods, most often due to chronic stress, they can disrupt normal appetite signaling, increase cravings for energy-dense foods, and contribute to excess weight gain.
Discover how stress affects appetite regulation and learn how to overcome cortisol cravings with simple lifestyle changes.
What is cortisol?
Cortisol is a steroid hormone produced by the adrenal glands, two small, triangular glands located on top of the kidneys.
It belongs to a group of steroid hormones called glucocorticoids, which help your body manage inflammation and energy production.
Cortisol is also the primary stress hormone, released to help you respond to a perceived threat by mobilizing energy, raising blood sugar, and shifting metabolic pathways to meet immediate energy demands to overcome or sustain the stressor.
Beyond its role in the stress response, cortisol helps regulate the sleep-wake cycle, supports healthy blood pressure, and plays a vital role in immune responses.
Watch the video below to learn how to lower cortisol and lose belly fat.
Can cortisol cause cravings?
Chronic stress can lead to persistently elevated levels of cortisol and other stress hormones, keeping the body in a heightened state of stress that prioritizes rapid fuel availability.
When cortisol remains high, it can alter normal eating behavior. Stress signals may prompt the brain to perceive a greater need for energy, increasing the urge to eat even when the body isn’t truly hungry—a response commonly referred to as stress eating.
High cortisol can also interfere with appetite signaling by increasing hunger hormones, such as ghrelin, and suppressing satiety cues that help regulate fullness after meals. These hormonal shifts can intensify food cravings, particularly for highly palatable, calorie-dense foods.
A study published in the Journal of Health Psychology reports “Chronic stress may potentiate motivation for rewarding substances and behaviors and indicate that high food cravings may contribute to stress-related weight gain.”
This may explain why refined carbohydrates, sugary snacks such as chocolate, fried foods, and other highly processed options often become more appealing during periods of stress.
These foods activate brain reward pathways and may temporarily blunt feelings of stress and anxiety.
Other ways high cortisol can lead to weight gain
In addition to triggering powerful cravings and increasing food intake, high cortisol can contribute to weight gain by stimulating the deposition of visceral fat, the deeper abdominal fat that surrounds internal organs.
Fat cells in the abdomen have a higher concentration of cortisol receptors and increased susceptibility to cortisol’s fat-storing effects.
Cortisol can also interfere with blood sugar balance and metabolic regulation by reducing insulin sensitivity.
“Insulin is a hormone that helps move glucose from the bloodstream into the cells, where it can be used for energy,” explains Dr. Berg. “When cells become insulin resistant, blood sugar levels rise, which signals to the body to store excess glucose as fat.”
Additionally, chronically elevated cortisol levels can promote muscle breakdown. During periods of extreme stress, the body can start to convert muscle proteins into amino acids that the liver can use to produce glucose for energy, in an attempt to provide a steady fuel supply for vital organs.
Over time, this can reduce muscle mass and impact the metabolic rate, resulting in fewer calories burned at rest and a greater likelihood of weight gain.
Finally, high cortisol can keep the body in a prolonged fight-or-flight state, making it more difficult for the brain to transition into restful sleep.
Poor sleep can further disrupt hunger hormones, which can increase food cravings and perpetuate weight gain as the body attempts to compensate for energy lost through restlessness.
How to support healthy cortisol levels and reduce cravings
Supporting healthy stress responses through targeted lifestyle and dietary habits may help limit stress-induced cortisol elevations, promote more nutritious food choices, and support overall mental health.
Here are seven practical changes to help balance cortisol and reduce emotional eating habits.
1. Follow a nutritious low-carbohydrate diet
A nutritious low-carbohydrate diet, such as Healthy Keto®, can support healthy blood sugar and insulin levels, reducing metabolic stress that can trigger cortisol and intensify hunger.
Low-carb meals centered around high-quality protein, nourishing fats, and fiber-rich vegetables promote satiety and more stable energy levels, which reduces the risk of overeating.
Limiting carbohydrates and ultra-processed foods can also help minimize rapid elevations and drops in blood sugar, which may contribute to cortisol-driven cravings and increased body weight.
2. Spend time in nature
Spending time outdoors has been found to help reduce stress and improve emotional well-being.
Walking helps regulate the nervous system and lower physiological stress markers, while exposure to fresh air, sunlight, and natural surroundings may also support mood, relaxation, and cortisol balance.
Research published in Frontiers in Psychology found that spending 20 to 30 minutes in nature each day significantly reduced salivary cortisol levels among urban participants.
3. Stay physically active
Regular physical activity helps the body process and release built-up stress and tension while supporting metabolic health.
Both aerobic exercise and strength training stimulate the release of endorphins–often referred to as the brain’s “feel-good” chemicals–which can help lower cortisol levels, improve mood, and reduce the urge for high-calorie food intake.
Over time, consistent movement may enhance stress resilience, support healthy hormone balance, and reduce the risk of long-term weight gain.
4. Engage in a hobby
Hobbies provide a mental break from daily pressures and can trigger the release of neurotransmitters associated with relaxation and motivation, including serotonin and dopamine.
Whether it’s gardening, crafting, painting, or playing an instrument, engaging in enjoyable activities can reduce stress-related food motivation and intake linked to weight gain.
5. Prioritize a consistent bedtime routine
Healthy sleep habits are essential for regulating cortisol levels and maintaining metabolic balance.
Establishing a consistent sleep schedule, reducing screen time before bed, and creating a calming nighttime routine can help signal the body that it’s time to rest.
Consistent, quality sleep can improve appetite regulation, energy levels, and stress resilience.
6. Practice intermittent fasting
Intermittent fasting involves time-restricted periods of eating and fasting, which can help stabilize blood sugar and insulin levels and reduce frequent hunger signals associated with overeating and weight gain.
As insulin sensitivity improves, fasting may also help curb cortisol-driven eating patterns by enhancing metabolic flexibility and supporting better regulation of hunger cues.
7. Try breathing and relaxation techniques
Deep breathing, gentle stretching, and visualization are intentional relaxation practices that activate the parasympathetic nervous system, often referred to as the “rest-and-digest” state.
A study published in Frontiers in Psychology found that deep diaphragmatic breathing significantly lowered cortisol levels and improved cognitive performance during acute stress in healthy adults.
Activating this calming response can help counteract cortisol and other stress signals that may promote cravings for processed, calorie-dense foods.
Key takeaways
- Cortisol is a stress hormone that prepares the body to sustain perceived stressors by regulating energy production, the sleep-wake cycle, blood sugar balance, and other essential functions.
- Chronic stress can trigger cortisol cravings by disrupting appetite-regulating hormones and intensifying the desire for highly processed, calorie-dense foods.
- Persistently elevated cortisol may also contribute to weight gain by reducing sleep quality, promoting visceral fat accumulation, and interfering with insulin sensitivity.
- Following a nutritious low-carbohydrate diet, exercising regularly, spending time in nature, improving sleep habits, and practicing relaxation techniques may help balance cortisol levels and support effective weight management.
