If you've landed here, chances are you're tired of feeling wired, frazzled, and stuck in survival mode. You've probably googled supplements to reduce cortisol hoping for a clear answer. The good news: there's real science to lean on. The honest answer: it's nuanced.
As a clinical naturopath, I spent years in clinic watching the same pattern play out. Women in their thirties and forties walking in with the same constellation of complaints. Tension that doesn't leave. A racing mind at 3am. Energy that crashes by 2pm. Cycles that feel off. Skin that's flaring. And underneath all of it, a nervous system that hasn't had a moment to settle in years.
The thread tying it all together? Chronic stress, and the dysregulated cortisol patterns that come with it.
This is the article I wish I could hand every patient who walks into clinic asking what actually helps.
What cortisol is and why it matters
Cortisol is your body's primary stress hormone. It's released from your adrenal glands and follows a daily rhythm: highest in the early morning to get you up and moving, lowest at night so the body can rest and repair.
Cortisol isn't the enemy. You need it to survive. The problem is when the rhythm goes out of sync, or when your system is producing high levels of it around the clock because life keeps demanding more than your nervous system can keep up with.
The signs of dysregulated cortisol I saw most often in clinic:
- Waking at 3am with a racing mind that feels like an adrenaline rush
- Energy that crashes hard mid-afternoon
- Cravings for sugar, salt or caffeine to push through the day
- Feeling wired but exhausted at the same time
- Tension across the shoulders, jaw, chest or hip flexors that won't release
- Menstrual cycles or skin that have shifted noticeably
- Feeling like you're operating from a constant low-grade hum of anxiety
The body wants to come back to balance. Supplementation, when done well, can help support that process.
What the research shows about cortisol support
There's a real body of clinical research on specific nutrients and herbs that support the body's stress response. Here's what to actually look for, and why.
Ashwagandha (Withania somnifera)
Ashwagandha is the headline act for a reason. It's an adaptogenic herb used in Ayurvedic medicine for thousands of years to help the body adapt to stress. Clinical studies on standardised ashwagandha extracts have shown effects on cortisol levels, perceived stress scores, and self-reported wellbeing in stressed adults.
What matters here is the form. Not all ashwagandha is created equal. Look for whole plant standardised extract with a meaningful dose. Most clinical research uses standardised extracts taken consistently over a period of weeks, not a sprinkle of powdered root in a multi-herb blend.
Magnesium glycinate
Magnesium is the mineral your body burns through fastest under stress, and the one most people are quietly running low on. It plays a role in over 300 enzymatic processes including nervous system function, muscle relaxation, and energy production.
Form matters enormously. Magnesium oxide is poorly absorbed. Magnesium citrate is better, but can be harsh on the gut (💩). Magnesium glycinate is bound to glycine (an amino acid that has its own calming properties) and is gentle, well-absorbed, and the form I reach for clinically when nervous system support is the goal.
Activated B vitamins
The B-complex is your nervous system's fuel. They're cofactors in energy production, neurotransmitter synthesis, and the methylation cycle that influences how your body processes stress.
The critical detail most supplements miss: certain B vitamins need to be in their activated form to be useable, especially for people with common genetic variants like MTHFR. Specifically, B2 as riboflavin sodium phosphate, B12 as mecobalamin, and folate as 5-MTHF (levomefolate). If a supplement lists "folic acid" or "cyanocobalamin," it isn't doing the same job for everyone who takes it.
Vitamin C
Your adrenal glands hold one of the highest concentrations of vitamin C in your body, and you burn through it faster when you're stressed. Supporting vitamin C status is one of the most overlooked pieces of cortisol support.
Taurine
Taurine is an amino acid that supports nervous system regulation and has a calming influence on the body. It modulates the GABA system, which is one of your brain's main "off switches." Most adults aren't getting close to optimal levels through diet alone.
Glycine
Glycine is another amino acid with a calming role. It's an inhibitory neurotransmitter, meaning it tells the nervous system to settle. It's also a precursor to glutathione, your body's master antioxidant, which gets depleted under chronic stress.
What to look for in a cortisol support supplement
Most supplements marketed for stress and cortisol are honestly disappointing. After years of looking at labels, here's what I check for.
Clinical-grade dosing. Most products underdose ingredients to keep costs low. A pinch of ashwagandha next to fourteen other herbs is not going to do what a standardised therapeutic dose will.
Activated B vitamins. If the B vitamins are not in their activated forms, they are not doing the work for a meaningful portion of the population.
The right form of magnesium. Glycinate, not oxide.
Synergistic formulation. The body doesn't run on isolated nutrients. Ashwagandha works alongside magnesium, B vitamins, vitamin C, taurine, and glycine. A formula that brings these together is doing more than any single ingredient on its own.
Third-party tested and TGA-listed. This is the bare minimum in Australia. It means the product has been independently assessed and you can trust what is actually in the bottle. Many supplements do not cover this bare minimum standard - they're not TGA listed, and they don't do third party testing. Always check for an AUST-L number on the packaging.
Minimal to no fillers, no junk. Allergen-free, and free of unnecessary artificial colours, sweeteners and other additives.
How Adapt fits in
I created Adapt because this exact combination didn't exist on the shelf in Australia. I spent years in clinic prescribing practitioner-only clinical supplements to patients, but I very rarely recommended a retail supplement off the shelf because honestly, they rarely met clinical standards.
Adapt was created to be the first retail supplement I would actually put my name to. It supports the body's response to stress and supports healthy nervous system function.
What I hear back from customers most often is the shift in how they feel through the day. Calmer. Clearer. More in control of their own response to the things that used to send them spinning. Easier to wind down in the evenings, and waking up feeling refreshed and energetic. Be sure to check out the reviews for yourself.
A note on what supplements can and can't do
Supplements aren't a replacement for the foundations: quality sleep, nourishment, movement, proper diaphragmatic breathing , the quality of your relationships, and the boundaries you hold around your time and energy. I'll always say that as a naturopath first.
What good supplementation does is give your nervous system the raw materials and support it needs to come back to balance, so the foundations actually have something to land on.
If you're looking for a place to start, supporting your stress response is one of the highest-leverage moves you can make for your whole-body health.
Tegan Marshall is a clinical naturopath (BHSc) & the founder of Glowable, based on the Gold Coast.
Always read the label and follow the directions for use. If symptoms persist, consult your healthcare professional. This article is educational and is not a substitute for personalised clinical advice.