{"id":382,"date":"2026-09-27T09:40:58","date_gmt":"2026-09-27T09:40:58","guid":{"rendered":"https:\/\/innersmith.com\/blog\/cortisol-and-stress\/"},"modified":"2026-09-27T09:40:58","modified_gmt":"2026-09-27T09:40:58","slug":"cortisol-and-stress","status":"publish","type":"post","link":"https:\/\/innersmith.com\/blog\/cortisol-and-stress\/","title":{"rendered":"Cortisol and Stress: What&#8217;s Happening in Your Body"},"content":{"rendered":"<p>Cortisol and stress are closely linked, but cortisol is not the villain it is made out to be online. It is an essential hormone that helps you wake up, use energy and respond to pressure. Problems start when levels stay high for weeks or months. Cleveland Clinic&#8217;s ways to help lower cortisol are ordinary, like sleep, movement and deep breathing.<\/p>\n<p>Cortisol now gets blamed for everything from belly fat to burnout, and trendy &#8220;cortisol cocktails&#8221; are pitched as a fast way to fight fatigue and stress. Harvard Health says cortisol does raise appetite, but a Cleveland Clinic endocrinologist says there is no evidence those cocktails lower it.<\/p>\n<div class=\"takeaways\">\n<p class=\"label\">The short version<\/p>\n<ul>\n<li>Cortisol is an essential hormone made by your adrenal glands. It helps regulate blood sugar, inflammation, blood pressure and sleep.<\/li>\n<li>Your brain controls it through the HPA axis, a relay that turns cortisol up under stress and lets it fall afterward.<\/li>\n<li>Chronic stress can keep that system running. Long-lasting high cortisol is usually Cushing syndrome, a medical condition that most often comes from long-term, high-dose steroid medicines.<\/li>\n<li>There is no evidence that cortisol cocktails lower cortisol, or that adrenal fatigue exists.<\/li>\n<li>Cleveland Clinic links insomnia and night shifts to higher cortisol, and Harvard Health says a brisk walk soon after a stressful moment deepens breathing and helps relieve muscle tension.<\/li>\n<\/ul>\n<\/div>\n<h2>What Does Cortisol Actually Do?<\/h2>\n<p>Cortisol is a steroid hormone made by your adrenal glands, which sit on top of your kidneys. It is known as the stress hormone, but <a href=\"https:\/\/my.clevelandclinic.org\/health\/articles\/22187-cortisol\" target=\"_blank\" rel=\"noopener\">Cleveland Clinic<\/a> points out that it affects almost every organ and tissue in your body, helping regulate how you use glucose (sugar) for energy, decreasing inflammation, regulating blood pressure and helping control your sleep-wake cycle.<\/p>\n<p>It also runs on a daily rhythm. For most people it is lowest in the evening and peaks in the morning, just before waking. As integrative medicine doctor Yufang Lin, MD, puts it in a <a href=\"https:\/\/health.clevelandclinic.org\/how-to-reduce-cortisol-and-turn-down-the-dial-on-stress\" target=\"_blank\" rel=\"noopener\">Cleveland Clinic guide to cortisol<\/a>, the hormone helps you wake up, gives you energy during the day and lowers at night so you can rest.<\/p>\n<p>Under stress, your body releases cortisol after fast fight-or-flight hormones like adrenaline, to keep you on high alert, and cortisol triggers your liver to release glucose for quick energy. In short spurts it can even boost immunity by limiting inflammation. Consistently high levels are where trouble starts: Cleveland Clinic says they can lead to inflammation and a weakened immune system.<\/p>\n<h2>How Do Cortisol and Stress Work Together? The HPA Axis, Explained<\/h2>\n<p>Think of your stress system as two waves. In the fast one, the amygdala, an area involved in emotional processing, sends a distress signal to the hypothalamus, your brain&#8217;s command center. The hypothalamus switches on the sympathetic nervous system, your adrenal glands release adrenaline, and your heart and breathing speed up, sometimes before you have fully processed what is happening, as <a href=\"https:\/\/www.health.harvard.edu\/healthy-aging-and-longevity\/understanding-the-stress-response\" target=\"_blank\" rel=\"noopener\">Harvard Health explains<\/a>.<\/p>\n<p>The slower wave is the HPA axis, a relay between the hypothalamus, the pituitary gland and the adrenal glands that keeps you revved up for as long as the brain reads danger.<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>Step<\/th>\n<th>What happens<\/th>\n<th>In plain words<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. Alarm<\/td>\n<td>The amygdala senses a threat and signals the hypothalamus.<\/td>\n<td>&#8220;Something is wrong.&#8221; It can start before you fully take in what is happening.<\/td>\n<\/tr>\n<tr>\n<td>2. Fast wave<\/td>\n<td>The hypothalamus activates the sympathetic nervous system, and the adrenal glands release adrenaline.<\/td>\n<td>Heart pounds, breathing quickens, muscles tense.<\/td>\n<\/tr>\n<tr>\n<td>3. Relay begins<\/td>\n<td>If the brain keeps reading danger, the hypothalamus releases CRH.<\/td>\n<td>&#8220;Keep the alarm on.&#8221;<\/td>\n<\/tr>\n<tr>\n<td>4. Pituitary<\/td>\n<td>CRH prompts the pituitary gland to release ACTH, which travels to the adrenal glands.<\/td>\n<td>&#8220;Adrenals, send cortisol.&#8221;<\/td>\n<\/tr>\n<tr>\n<td>5. Cortisol<\/td>\n<td>The adrenal glands release cortisol, and cortisol triggers the liver to release glucose.<\/td>\n<td>The body stays revved up and on high alert.<\/td>\n<\/tr>\n<tr>\n<td>6. Brake<\/td>\n<td>When the threat passes, cortisol falls and the parasympathetic nervous system dampens the response.<\/td>\n<td>Back toward &#8220;rest and digest.&#8221;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Trouble starts when the brake rarely gets used. Harvard Health compares chronic low-level stress to a motor idling too high for too long, keeping the HPA axis activated in a way that contributes to the health problems of chronic stress, which is the pattern <a href=\"\/blog\/nervous-system-regulation\/\">nervous system regulation<\/a> aims to change.<\/p>\n<figure class=\"inline-art\"><img width=\"1400\" height=\"788\" src=\"\/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline.webp\" class=\"attachment-innersmith-hero size-innersmith-hero\" alt=\"Steaming cup of tea on a windowsill at sunrise beside an open window with soft curtains moving\" loading=\"lazy\" decoding=\"async\" srcset=\"\/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline.webp 1400w, \/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline-300x169.webp 300w, \/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline-1024x576.webp 1024w, \/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline-768x432.webp 768w, \/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline-800x450.webp 800w, \/blog\/wp-content\/uploads\/2026\/09\/cortisol-and-stress-inline-1200x675.webp 1200w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/figure>\n<h2>Is High Cortisol the Same as Being Stressed?<\/h2>\n<p>Not quite. Your body releases cortisol during short-term, long-term and traumatic stress, but it is only one part of the response. The pounding heart and fast breathing of a tense moment come mostly from adrenaline. Cortisol also rises and falls on a daily schedule, so a higher level around waking is normal rather than a sign of stress.<\/p>\n<p>Cause and effect matter too. Cleveland Clinic&#8217;s cortisol guide puts it plainly: cortisol production is a response to stress and not necessarily your body&#8217;s driver of stress.<\/p>\n<p>When doctors suspect Cushing syndrome (long-term high cortisol), they use specific tests, such as a 24-hour urine collection or a late-night saliva sample (normally, cortisol production drops just after you fall asleep). The <a href=\"https:\/\/www.niddk.nih.gov\/health-information\/endocrine-diseases\/cushings-syndrome\" target=\"_blank\" rel=\"noopener\">National Institute of Diabetes and Digestive and Kidney Diseases<\/a> (NIDDK), part of the NIH, notes that no one test is perfect, so doctors usually do two tests to confirm a diagnosis.<\/p>\n<h2>What&#8217;s True and What&#8217;s Exaggerated About High Cortisol?<\/h2>\n<p>Some of it holds up, and the cocktail and adrenal fatigue claims do not. High cortisol that lasts a long time is usually a medical condition, Cushing syndrome, Cleveland Clinic says, and NIDDK says its most common cause is long-term, high-dose steroid medicines. Stress does raise cortisol, but belly fat or tiredness is not proof that your cortisol is out of range.<\/p>\n<p>&#8220;Cortisol belly.&#8221; True: very high cortisol over a long time can cause weight gain, especially in the face and belly. That is Cushing syndrome. Partly true for weight in general, not for belly fat in particular: Harvard Health explains that cortisol increases appetite and fat storage, and preliminary research suggests chronic stress may contribute to obesity, directly through eating more or indirectly through less sleep and exercise. Exaggerated as proof: NIDDK notes that symptoms such as fatigue and weight gain can have many different causes.<\/p>\n<p>Cortisol detox drinks and diets. A <a href=\"https:\/\/health.clevelandclinic.org\/what-to-know-about-adrenal-cocktails\" target=\"_blank\" rel=\"noopener\">Cleveland Clinic article on &#8220;cortisol cocktails&#8221;<\/a> (usually orange juice, coconut water and salt) notes that there is no evidence they nourish or support the adrenal glands beyond what a healthy diet provides, and endocrinologist Pratibha Rao, MD, MPH, says there is no evidence they reduce cortisol, or that adrenal fatigue exists. Cleveland Clinic&#8217;s cortisol guide points to the Mediterranean diet and other balanced, plant-forward eating plans, and notes that cortisol and stress levels may spike with a lot of added sugar, alcohol or caffeine.<\/p>\n<p>Cortisol-lowering supplements. Ashwagandha supplements are often promoted for stress. The <a href=\"https:\/\/www.nccih.nih.gov\/health\/ashwagandha\" target=\"_blank\" rel=\"noopener\">National Center for Complementary and Integrative Health<\/a> (NCCIH) says some preparations may be effective for insomnia and stress, but many studies have been small and used different preparations, and the evidence on anxiety is unclear. It may be safe for up to three months, yet rare cases link it to liver injury, it might interact with medicines for diabetes, blood pressure and thyroid conditions, and supplements are not approved by the FDA before they are sold. NCCIH also says it should be avoided in pregnancy and while breastfeeding, and is not recommended before surgery or for people with autoimmune or thyroid disorders. Cleveland Clinic&#8217;s Dr. Lin advises talking to a trained provider first.<\/p>\n<div class=\"statgrid\">\n<div class=\"stat\">\n<p class=\"n\">About 40 to 70<\/p>\n<p class=\"l\">people out of every million estimated to have endogenous Cushing syndrome (caused by the body itself, not by medicines), which NIDDK calls rare<\/p>\n<p class=\"src\">NIDDK, 2018<\/p>\n<\/div>\n<div class=\"stat\">\n<p class=\"n\">3 months<\/p>\n<p class=\"l\">the short-term window in which NCCIH says ashwagandha may be safe; long-term safety is unknown, and some people should avoid it<\/p>\n<p class=\"src\">NCCIH, 2023<\/p>\n<\/div>\n<\/div>\n<h2>Can You Lower Cortisol Naturally?<\/h2>\n<p>Partly. Cleveland Clinic lists quality sleep, regular movement and deep breathing among the ways to help lower cortisol levels. Since cortisol production is a response to stress, the aim is fewer and shorter stress responses, not a lower number on a test.<\/p>\n<p>Protect your sleep. Cleveland Clinic notes that chronic sleep issues, like insomnia or working night shifts, can cause higher cortisol levels. If sleep is the weak link, our post on <a href=\"\/blog\/why-cant-i-sleep\/\">why you can&#8217;t sleep even when you are exhausted<\/a> starts with one anchor, the same wake-up time every day.<\/p>\n<p>Move most days. Regular physical activity helps improve sleep quality and reduce stress, Cleveland Clinic notes, and Harvard Health adds that a brisk walk shortly after feeling stressed deepens your breathing and helps relieve muscle tension.<\/p>\n<p>Breathe slowly on purpose; our post on <a href=\"\/blog\/how-to-calm-down\/\">how to calm down fast<\/a> walks through star breathing and a longer exhale. Controlled breathing helps stimulate your parasympathetic &#8220;rest and digest&#8221; system, which Cleveland Clinic says helps lower cortisol. Harvard Health lists deep abdominal breathing among the techniques that bring on the relaxation response, while noting that for most people it is not a cure-all.<\/p>\n<p>People and laughter help too, though the evidence is softer. Cleveland Clinic says laughing promotes the release of endorphins and suppresses cortisol. Harvard Health describes a theory that close relationships help sustain people through chronic stress, though it is not clear why. Our post on <a href=\"\/blog\/how-to-destress\/\">how to destress<\/a> adds an after-work pause as you close your laptop.<\/p>\n<p>Know when it is a medical question. If you notice signs of Cushing syndrome, or signs of low cortisol such as fatigue with unintentional weight loss and loss of appetite, contact your healthcare provider. Cushing syndrome needs medical treatment, not lifestyle tweaks. When a steroid medicine is the cause, NIDDK says the doctor lowers the dose gradually; never stop or cut a prescribed steroid on your own, since Cleveland Clinic notes that stopping suddenly can cause low cortisol.<\/p>\n<p>InnerSmith is being built for the everyday side of this, the weeks when your stress system will not idle down, matching a short breathing, movement or wind-down exercise to how your day actually feels. It is pre-launch, with a waitlist open for early access.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq\">\n<details>\n<summary>Is cortisol really the cause of my stress and weight gain?<\/summary>\n<p>Cortisol is part of the story, but Cleveland Clinic describes it as a response to stress and not necessarily the driver of it. Chronic stress may contribute to weight gain by raising appetite and cutting into sleep and exercise, though that research is preliminary. Very high cortisol from a condition such as Cushing syndrome does cause weight gain, so raise unexplained weight gain with your doctor.<\/p>\n<\/details>\n<details>\n<summary>What are the symptoms of high cortisol?<\/summary>\n<p>Long-term, very high cortisol, called Cushing syndrome, tends to cause weight gain in the face and belly, a fatty hump between the shoulders, wide purple stretch marks, easy bruising, weak muscles and high blood pressure. Fatigue and weight gain alone have many possible causes, so a diagnosis needs a doctor&#8217;s exam and lab tests.<\/p>\n<\/details>\n<details>\n<summary>Do cortisol supplements or cortisol cocktails work?<\/summary>\n<p>There is no evidence that cortisol cocktails lower cortisol. Some ashwagandha preparations may help with stress and insomnia, according to NCCIH, but many studies have been small and used different preparations, long-term safety is unknown and rare cases link it to liver injury. NCCIH says to avoid it in pregnancy and while breastfeeding. Talk to your doctor or pharmacist before trying any supplement, especially if you take other medicines.<\/p>\n<\/details>\n<details>\n<summary>Is adrenal fatigue real?<\/summary>\n<p>A Cleveland Clinic endocrinologist says there is no evidence that adrenal fatigue exists, and Cleveland Clinic notes that your adrenal glands have a huge functional capacity and do not get tired out. Real adrenal conditions do exist, such as adrenal insufficiency and Cushing syndrome, but they are different and need medical testing.<\/p>\n<\/details>\n<\/div>\n<div class=\"sources\">\n<p class=\"label\">Sources<\/p>\n<ol>\n<li><a href=\"https:\/\/my.clevelandclinic.org\/health\/articles\/22187-cortisol\" target=\"_blank\" rel=\"noopener\">Cortisol<\/a>, Cleveland Clinic, 2025.<\/li>\n<li><a href=\"https:\/\/health.clevelandclinic.org\/how-to-reduce-cortisol-and-turn-down-the-dial-on-stress\" target=\"_blank\" rel=\"noopener\">Tips to Reduce Cortisol Levels and Dial Down Stress<\/a>, Cleveland Clinic, 2024.<\/li>\n<li><a href=\"https:\/\/www.health.harvard.edu\/healthy-aging-and-longevity\/understanding-the-stress-response\" target=\"_blank\" rel=\"noopener\">Understanding the stress response<\/a>, Harvard Health Publishing, 2024.<\/li>\n<li><a href=\"https:\/\/www.niddk.nih.gov\/health-information\/endocrine-diseases\/cushings-syndrome\" target=\"_blank\" rel=\"noopener\">Cushing&#8217;s Syndrome<\/a>, National Institute of Diabetes and Digestive and Kidney Diseases, 2018.<\/li>\n<li><a href=\"https:\/\/health.clevelandclinic.org\/what-to-know-about-adrenal-cocktails\" target=\"_blank\" rel=\"noopener\">Do Cortisol Cocktails Work?<\/a>, Cleveland Clinic, 2025.<\/li>\n<li><a href=\"https:\/\/www.nccih.nih.gov\/health\/ashwagandha\" target=\"_blank\" rel=\"noopener\">Ashwagandha: Usefulness and Safety<\/a>, National Center for Complementary and Integrative Health, 2023.<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cortisol is an essential hormone, not a villain. Here is how your stress system controls it, what holds up about cortisol belly, cocktails and supplements, and what actually helps.<\/p>\n","protected":false},"author":4,"featured_media":389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[51,52,30],"class_list":["post-382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stress-management","tag-cortisol","tag-hormones","tag-stress"],"_links":{"self":[{"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/posts\/382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/comments?post=382"}],"version-history":[{"count":1,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/posts\/382\/revisions"}],"predecessor-version":[{"id":426,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/posts\/382\/revisions\/426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/media\/389"}],"wp:attachment":[{"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/media?parent=382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/categories?post=382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/innersmith.com\/blog\/wp-json\/wp\/v2\/tags?post=382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}