"It's probably your cortisol."

These four words have taken the beating for... well, everything. Can't lose weight? Cortisol. Breaking out? Cortisol. Feeling tired? Cortisol. Woke up at 3 a.m.? Definitely cortisol. I am guilty of this too; I struggled with weight loss for a long time and blaming cortisol seemed like the perfect explanation for why it’s not happening.

Cortisol is one of the hardest-working hormones in your body. The problem is that social media has turned a complex biological process into the wellness world's latest villain.

Before you start blaming every bad day on your hormones, here's what you actually need to know.

1. First things first: cortisol isn't bad
Let's clear up the biggest myth. Cortisol has somehow earned a terrible reputation. Your adrenal glands (tiny organs that sit just above your kidneys) produce cortisol every single day. Their job? Helping your body regulate everything from blood sugar to blood pressure, metabolism and even your immune system.In other words? Cortisol is simply doing its job. Without it, getting through your day would be a lot harder than surviving a stressful meeting or replying to that email you've been avoiding all week.

2. Your body already knows when to make it
Contrary to what TikTok might say, your cortisol isn't randomly "high" all day long. It's actually meant to rise and fall in a predictable rhythm. Levels naturally peak shortly after you wake up; that's part of what helps you feel alert enough to start your day. From there, cortisol gradually declines throughout the afternoon and evening, allowing your body to prepare for sleep.
It's less like an alarm that's constantly blaring and more like the soundtrack quietly changing throughout the day.

3. Stress and cortisol are a team not enemies
Yes, I know! Cortisol is your body's main stress hormone. But that's not automatically a bad thing.
Imagine you're about to give a presentation or hit the brakes to avoid an accident (which I do a lot), your brain signals your body to release cortisol so you have the energy and focus to deal with what's happening.
The issue isn't that cortisol responds to stress; it's when life stays stressful for weeks or months without giving your mind and body a chance to recover.

4. Not everything is a "cortisol problem"
One of the wellness industry's favourite tricks is making cortisol responsible for every symptom under the sun. Bloating, brain fog, sugar cravings, stomach fat? Real life isn't that simple. Many of these symptoms overlap with poor sleep, nutritional deficiencies, anxiety, certain medications, hormonal changes and a million other factors. Your body isn't a one-hormone operation.

5. No, cortisol isn't secretly making you gain weight
Let's talk about the elephant in the room. And I promise it’s not you.
"Belly fat caused by cortisol" has become one of social media’s favourite talking points. The truth? Weight is influenced by far more than one hormone. When we're stressed for a long time, we might sleep less, exercise less, snack more often or crave comfort foods. These lifestyle changes can influence weight over time, but that's very different from saying cortisol alone causes weight gain.

6. TikTok can't diagnose your hormones
We've all seen those videos. "If you have these five signs, your cortisol levels are too high."
Feeling tired, anxious, overwhelmed or having trouble sleeping doesn't automatically mean your cortisol is abnormal. Those symptoms are incredibly common and can happen for many different reasons. Now, are there medical conditions where cortisol genuinely is a problem? Absolutely. But they're diagnosed in a doctor's office, not by a TikTok. So maybe don't let a 30-second video convince you that you need expensive hormone testing.

7. There's no magic drink that "flushes cortisol"
I hate to be the bearer of bad news, but that trendy cortisol mocktail isn't performing miracles. Neither is the powder someone on Instagram swears changed their life in three days. While some healthy habits can support your body's stress response, there's no evidence that one specific drink, supplement or detox can magically reset your cortisol.

The less glamorous advice still wins every time:
- Get enough sleep
- Move your body
- Eat balanced meals
- Take breaks
- Drink plenty of water

Sometimes the boring advice is the advice that actually works.

8. Managing stress matters more than "lowering cortisol"
Instead of obsessing over lowering one hormone, ask yourself: How am I looking after myself?
Stress management isn't about becoming permanently calm or pretending life isn't busy. It's about giving yourself enough moments to recover. That could be taking a walk after work, reading instead of doom-scrolling, saying no without apologising, journalling, praying, laughing with friends or simply getting to bed an hour earlier.

Small habits really do add up.

9. Your body is smarter than you think
Our bodies are constantly adjusting hormone levels without us even noticing. Healthy cortisol naturally rises when it's needed and falls when it isn't. That's why most people don't need to constantly "hack" or monitor their cortisol.
Your body has been doing this long before wellness influencers arrived on the scene. Just trust it.

10. Know when it's time to ask for help
There's a difference between everyday stress and symptoms that don't feel right.
If you're experiencing ongoing fatigue, unexplained weight changes, persistent sleep problems, severe mood changes or anything that's affecting your quality of life, don't spend weeks trying to diagnose yourself online.

Talk to your GP.

So here's the thing: cortisol isn't ruining your life. Life is just... life sometimes. Your to-do list somehow grows while you're sleeping, so of course your body responds. It’s not working against you.