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Stressed All Day? Wired At Night? Here’s Why...

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2 Bottles for $49.99
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95,000+ Happy Customers

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As low as $0.83 per day

95,000+ Happy Customers

...Your High Cortisol Levels Could Be The Reason

What our customers are saying:

95,000+ Happy Customers

NERVOUS SYSTEM & CORTISOL SUPPORT

Take back control by fixing your sleep 😴 and calming your mind 🧠

Feel calmer within days, not weeks

Sleep deeper and wake up refreshed

Supports the root cause: high cortisol

$49.99

END OF SUMMER SALE - BUY 1 GET 1 FREE OFFER

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per day

Quick Summary

How Nervous System Helps You Feel Calmer, Sleep Better & Take Back Control

 

Nervous System is designed to support your body in lowering cortisol — the stress hormone behind poor sleep, constant fatigue, stubborn weight gain and that “wired but tired” feeling.

 

Instead of masking the problem, it works with your body to help restore balance from the inside out.

Feel calmer and more in control
Fall asleep faster and stay asleep longer
Wake up feeling rested, not exhausted
Reduce cravings, tension and brain fog

60-day money-back guarantee — risk free

 

If you’re tired of feeling wired, exhausted and stressed out… this is where it changes.

Main Benefits

Feel Calmer

Constant stress can lead to elevated cortisol levels, which may leave you feeling overwhelmed, mentally tense, and constantly on edge. By supporting healthy cortisol balance, Nervous System may help restore balance to your nervous system, promoting a sense of calm and mental clarity. Whether you're dealing with daily stress or occasional stressful moments, many customers report feeling more in control, relaxed, and able to handle life's challenges with ease.


Sleep Better

High cortisol levels can interfere with your body's natural sleep-wake cycle, making it harder to fall asleep and stay asleep. By supporting cortisol balance,Nervous System may promote deeper, more restorative sleep over time, so you can wake up feeling more refreshed and recharged. Many customers experience better sleep quality, improved energy levels, and a more balanced mood throughout the day.


Get Your Glow Back

Excess cortisol can affect collagen production, increase oil production, and contribute to inflammation, which may show up as dull skin, breakouts, and visible signs of aging. Nervous System supports healthy cortisol balance, which may help promote collagen production while reducing breakouts and excess oil. The result? Many customers notice healthier, clearer skin with a natural, youthful glow.

 

Live Healthier

Stress and elevated cortisol have been linked to various long-term health challenges, including cardiovascular strain, ongoing inflammation, blood sugar concerns, and weakened immune resilience. By supporting healthy cortisol balance, Nervous System may contribute to long-term wellness, help maintain healthy inflammatory response, support cardiovascular health, and help your body function optimally. Take control of your stress today and invest in a healthier, more vibrant life.

Ingredients

Sceletium Tortuosum Extract (5% mesembrine-type alkaloids) — 20 mg

Sceletium is included to help reduce emotional reactivity and quiet mental noise. Customers often notice feeling less "on edge" and experience reduced rumination, helping create a sense of immediate calm while still staying alert and functional.
 

Saffron Extract (5% safranal) — 30 mg

Saffron has been clinically studied for mood support and emotional resilience. It works gradually to help stabilize mood and reduce emotional volatility, with many customers reporting steadier moods and less irritability over time.
 

Psychobiotic Probiotic Blend — 10 Billion CFU

  • Lactobacillus helveticus — 7B CFU
  • Bifidobacterium longum — 3B CFU

Unlike generic probiotics, these psychobiotic strains are specifically studied for stress response and gut-brain communication. They help support neurotransmitter balance and reduce inflammatory stress signals from the gut, contributing to deeper, long-term emotional resilience.


Ashwagandha Root Extract (4% withanolides) — 250 mg

Ashwagandha is a true adaptogen that helps the body adapt to stress over time. The ingredients in Nervous System, including Ashwagandha, have been clinically studied to support long-term stress resilience and help smooth cortisol recovery without sedation or grogginess.


L-Theanine — 400 mg

L-Theanine, a naturally occurring compound found in green tea, promotes calm focus without drowsiness. It may help reduce mental tension and smooth overstimulation, often within 30–60 minutes. Many customers report feeling a noticeable sense of calm and improved mental clarity.


Magnesium Glycinate — 200 mg

Magnesium Glycinate is a highly absorbable and gentle form of magnesium that supports physical relaxation and nervous system balance. Customers often report reduced muscle tension, a calmer baseline, and improved sleep quality over time.

Shipping & Refunds

Orders are shipped the next day and typically arrive within 3–5 business days, depending on your location
 

Shipping Insurance Option: Get priority fulfillment within 12-24 hours and enjoy free replacements for lost or damaged packages—no extra cost for the product or shipping.
 

We stand by our product with a 60-day money-back guarantee on your first order. Simply return the bottle, and you'll receive a full product price refund—no hassle, no questions asked.

What our customers are saying:

6 Targeted Ingredients. 6 Different Jobs.

6 Targeted Ingredients.
6 Different Jobs.

Nervous System was designed differently, with 6 targeted ingredients selected to support stress, sleep, mood, cortisol and the gut-brain connection together.

Real Stories, Real Results

Real reviews from people who were dealing with the same symptoms.
95,000+ people can't live without Nervous System.

High Cortisol Is Quietly Wrecking Your Body

And most people don’t realise it…until it gets worse. The longer you leave it, the more damage it does...

Life Starts To Feel Heavy

Title

Constant stress keeps your body stuck in fight-or-flight. You feel tense, irritable, overwhelmed… even over small things. Simple tasks feel harder than they should. You’re not yourself anymore.

You Start To Look Older Than You Are

Title

High cortisol affects your skin, hair and overall appearance. Breakouts, Dull skin, Puffiness, and Thinning hair. Over time, it shows on the outside, even if you feel fine inside.

Your Sleep Gets Worse 
(Not Better)

Title

You fall asleep… then wake up at 2–4am. Mind racing. Body wired. No way back to sleep. Then the next day? Exhausted… but somehow still wired again at night.

It Starts Affecting Your Long-Term Health

Title

Left unchecked, high cortisol can impact: your heart, your metabolism, your immune system! This isn’t just about stress, lack of sleeping and unhealthy diet…it’s about what stress is doing to your body over time.

And the worst part?

Most people don’t realise cortisol is the cause.
They just keep trying to cope with the symptoms.

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Don’t Wait Until It Gets Worse

High cortisol doesn’t just affect how you feel…it affects how your body functions.

When cortisol stays elevated, your body stays under constant stress.
 

That’s when you start noticing these health issues: poor sleep, constantly feeling tired, stubborn weight gain, brain fog, feeling wired but exhausted. 
 

These health issues left unaddressed, won't fix themselves, they will compound and effect you more and more. 

 

That’s why more people are now focusing on regulating cortisol, not just managing symptoms.

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Why People Choose Nervous System Over Everything Else

Most solutions only treat the symptoms.
Nervous System is designed to support the root cause — cortisol imbalance.

Others

Targets Root Cause (Cortisol)

Helps Sleep, Stress & Weight 

Clinically Studied Ingredients

High Strength Formula

Real Customer Results

60-Day Money Back Guarantee

That’s why so many of our customers notice improvements across sleep, stress, energy and weight, not just one area.

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Highlighted Customer Reviews

this is what happens when your cortisol 
comes back into balance

these are real men who were waking at 2–4am, feeling wired at night, stress eating, gaining stubborn weight and wondering what was wrong, until they realised cortisol was the cause.

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Testimonial from Jake

Taking: Nervous System Stress & Cortisol Relief

😍

Feels Amazing

☀️

Less Stressed

😴

Better Sleep

Don’t let stress and high cortisol ruin your life…

Seriously… I didn’t realise how run down I’d become until I started feeling calm again.
 

It’s hard to explain, but when your head finally switches off, you feel like a different man.
 

No overthinking. No lying awake at night. No dragging yourself through the next day exhausted.
 

I stopped reaching for food just to cope with stress, my sleep improved, and my energy and focus started coming back.
 

After a while, I noticed my stomach looked better too. I felt sharper, less irritable, and more like myself again.
 

Honestly, it feels like I’ve got my life back.

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have questions?

These are the same questions people ask before they finally decide to try it.

What's the full ingredient list with the dosage please?

Nervous System contains only natural, high-quality ingredients with no fillers or artificial additives.
 

Ingredients per 2 capsules (daily serving):

● Ashwagandha Root Extract (4% withanolides) — 250mg

● Sceletium tortuosum Extract (5% mesembrine-type alkaloids) — 20mg

● Saffron Extract (5% safranal) — 30mg

● Psychobiotic Probiotic Blend — 10 Billion CFU

○ Lactobacillus helveticus — 7B CFU

○ Bifidobacterium longum — 3B CFU

● L-Theanine — 400mg

● Magnesium Glycinate — 200mg

● Vegetable Cellulose Capsules


The only other ingredient in Nervous System is the vegetable cellulose capsule; no fillers, no artificial additives, just natural, high-quality ingredients. Nervous System is formulated with clinically studied ingredients designed for safe and effective stress support.
 

Take two (2) capsules daily, preferably at lunch, or in the afternoon.

For best results, take consistently with or without food.

What are your shipping times and where do you ship to?

Orders are shipped the next day and typically arrive within 3–5 business days, depending on your location
 

Shipping Insurance Option: Get priority fulfillment within 12-24 hours and enjoy free replacements for lost or damaged packages—no extra cost for the product or shipping.

 

We currently ship to the United States, Canada, Australia and United Kingdom.

How do I contact you?

Most companies outsource customer service overseas to cut costs, but this often leads to a frustrating experience for customers. We personally handle all inquiries that aren’t answered through social media or our FAQ section.
 

If you need assistance, feel free to reach out to us directly at help@tryjevi.com.
 

Because we don’t outsource support it we are only able to respond during office hours—it takes more time to get back to you, but we know how much our customers appreciate having real, personal care for serious inquiries.

If I don't like it, can I get a refund?

We want you to feel confident trying Nervous System! That's why we offer a 60-day money-back guarantee on your first order.

 

If you're not completely satisfied with your initial purchase, simply return the product received in 60 days of purchase, and we'll refund the full product price.

 

To start your return, just email us at help@tryjevi.com with your order number and we'll take care of you.

 

A few things to keep in mind:

  • Our 60-day guarantee is available for first-time purchases only (subsequent orders aren't eligible for refunds)
  • Shipping fees are non-refundable
  • You'll cover the cost of return shipping
  • If you enter an incorrect or incomplete address at checkout, you'll be responsible for any re-delivery fees

 

We're here to help if you have any questions!

Can I take this if I'm on prescription meds for anxiety or mood?

Nervous System contains natural, gentle ingredients like L-theanine, magnesium, saffron, ashwagandha, sceletium tortuosum, and psychobiotic probiotics, which are generally well-tolerated and have calming and mood-supportive effects.
 

Here's what's in the formula:

  • Ashwagandha - A natural adaptogen that helps your body manage stress without interfering with how medications work
  • L-Theanine - Promotes calm focus naturally, found in green tea, and widely used alongside various treatments
  • Magnesium Glycinate - A gentle, highly absorbable form of magnesium that supports nervous system relaxation
  • Sceletium tortuosum - Helps reduce emotional reactivity and mental noise in a gentle, non-pharmaceutical way
  • Saffron Extract - At the low dose used in Nervous System (30mg per 2 capsules), it's well-tolerated and has been studied for mood support
  • Psychobiotic Probiotics - These specific strains work through your gut-brain axis to support natural stress balance and mood regulation

A common concern is saffron, as it's sometimes associated with mood support—but at the dose used in Nervous System (30mg per 2 capsules), it's well-tolerated and not known to interfere with serotonin-related treatments in problematic ways.
 

That said, because everyone's chemistry is different, we strongly recommend consulting your healthcare provider before starting Nervous System if you're currently taking prescription medication for anxiety, mood support, or emotional well-being.

Is Nervous System safe and beneficial for people with thyroid concerns?

Nervous System contains ingredients like Ashwagandha, L-Theanine, Magnesium Glycinate, and others that are generally well-tolerated and have been studied for stress support.
 

If you have thyroid-related health concerns, it's important to note that some ingredients, particularly adaptogens like Ashwagandha, may interact with thyroid function in some individuals. For this reason, we recommend consulting your healthcare provider before starting Nervous System.
 

Your healthcare provider can review the ingredient list, consider your specific health situation, and determine whether Nervous System is appropriate for you.

What is the capsule size?

Our capsules are size 0, only 2cm, which makes them easy to swallow for most people.

How many servings are in one bottle?

There are 30 servings per bottle (1 month supply). Each serving is 2 capsules, for a total of 60 capsules per bottle.

Is it lab tested?

Yes. Our raw ingredients are rigorously lab tested for purity, potency, quality, and safety, ensuring you receive a premium-quality supplement.

Are the capsules gluten-free and non-GMO?

Absolutely—our capsules are gluten-free, non-GMO, and made without any fillers, artificial ingredients, or unnecessary additives.

Are These Vegan Friendly?

Yes, 100% vegan-friendly. Nervous System contains only natural plant-based ingredients, and the capsules themselves are made from vegetable cellulose (veggie capsules). No animal-derived ingredients are used.

Is Nervous System safe for my kids or teenagers?

Nervous System is formulated for adult use (ages 18+) and has not been specifically studied for children or teenagers.

 

While the ingredients in Nervous System are natural and generally well-tolerated in adults, growing bodies and developing systems may respond differently. For this reason, we do not recommend Nervous System for anyone under 18 without explicit guidance from a healthcare provider.

 

If you're considering Nervous System for a teenager, please consult with your pediatrician or healthcare provider first. They can review the ingredients, assess whether it's appropriate, and provide guidance on proper use based on your teen's individual health needs.

  • Supports cortisol balance: Cortisol can become elevated during menopause, which may intensify symptoms like hot flashes, mood changes, and disrupted sleep. Supporting healthy cortisol balance may help ease these stress-related experiences.
  • Supports sleep and mood: Ingredients such as Ashwagandha, L-Theanine, Magnesium Glycinate, Sceletium tortuosum, and Saffron Extract have been studied for their role in supporting restful sleep, emotional balance, and stress resilience.

If you're currently under medical care or taking hormone-related treatments, Nervous System can generally be taken safely, though we recommend consulting your healthcare provider to ensure it's appropriate for your specific situation.

 

Supporting healthy cortisol balance may help you feel more emotionally steady, sleep better, and experience fewer stress-related symptoms during this transition.

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trusted by thousands of customers

Real reviews from people who were dealing with the same symptoms.
95,000+ people can't live without Nervous System.

What People Are Saying Right Now

Unfiltered feedback from customers seeing real results.

95,000+ people can't live without Nervous System.

Highlighted Customer Reviews

This Is What Happens When Your Cortisol 
Comes Back Into Balance

These are real people who were waking at 2–4am, feeling wired at night, stress eating, gaining stubborn weight and wondering what was wrong, until they realised cortisol was the cause.

Nathan 

Verified Buyer

Ok this is a little personal but whatever maybe it helps someone. 

My libido had basically flatlined for over a year. Figured it was just stress and being in my late 30s. Kept putting off doing anything about it. 

I read somewhere that high cortisol literally suppresses testosterone production and your body prioritises survival over everything else including sex hormones. Made total sense for me because I've been running on empty stress-wise for like 2 years straight. 

Tried this mostly for the sleep and stress, wasn't even thinking about the other stuff. 5–6 weeks in and honestly feel like a different person.

Sleeping through the night, way less wired during the day, and yeah the drive is back in a big way. 

Didn't say anything to my wife and she brought it up herself lol.

Jake

Verified Buyer

I’m 47, work more than 50 hours a week and have three kids under 10. I didn’t realise how run down I’d become until I started feeling calm again.

 

I was constantly on edge, sleeping badly and snapping over stupid things. My head never seemed to switch off, and I’d drag myself through the next day exhausted.

 

I’ve been taking Corti-Help for around two months now, and I definitely feel calmer. I’m sleeping better, overthinking less, and I don’t feel as wound up all day.

 

I’ve also stopped reaching for food as much just to cope with stress, and my energy and focus are starting to come back. My belly fat hasn’t really changed yet, but I feel sharper, less irritable and much more like myself again.

 

My wife even says I’m nicer to be around now, which probably says it all. Honestly, I feel like I’ve got my life back.

Kelton

Verified Buyer

I almost never leave reviews, but I felt like I had to share this in case another guy is dealing with the same thing and searching for something to help.
 

For months, I felt completely run down. My stress levels were through the roof, my muscles constantly felt tired, and my sleep had become terrible.
 

I could usually fall asleep, but I’d wake up around 3–4 AM feeling completely alert and unable to switch off again. By the morning, I’d feel exhausted, but somehow I’d become wired again later in the day.
 

I originally tried Corti-Help mainly for the stress and muscle fatigue. I wasn’t really expecting anything else.
 

But after taking it consistently, I noticed a substantial difference in my attitude, how I felt during the day, and the quality of my sleep. I felt calmer, less irritable, and started sleeping through the night again.
 

I also increased my protein intake and cut back on alcohol, and together I’ve noticed a real difference in my recovery and weight. The improved sleep and weight loss were honestly bonuses.
 

At one point, I stopped taking it because I thought maybe I didn’t need it anymore. I noticed the difference pretty quickly and started again.
 

I’m now sleeping better, handling stress much more easily, and feeling more like myself again. If you’re on the fence, I’d genuinely recommend giving it a go. 

The longer you ignore feeling constantly stressed and exhausted, the worse it seems to get.

Alex

Verified Buyer

I’m 48 and honestly thought feeling permanently exhausted and irritable was just part of getting older.
 

Between work, family and trying to stay active, I always felt like I was running on empty. I’d wake up tired, hit a wall in the afternoon, then somehow feel wide awake when it was time to sleep. Even small problems would wind me up more than they should.
 

I started taking two Corti-Help capsules around lunchtime, mainly to see whether it would help me handle stress better.
 

After a couple of weeks, I noticed I wasn’t reacting to everything the same way. I felt more level-headed, my sleep became more consistent, and I wasn’t reaching for snacks or a drink every evening just to switch off.
 

I still have the same responsibilities and busy schedule, but they don’t feel like they’re constantly sitting on top of me anymore. 

I feel calmer, more patient and much more like myself.

BUY NOW

60-Day Money-Back Guarantee

Stop Feeling Wired At Night & Exhausted During The Day

Don’t miss out on this one time offer...
BUY ONE GET ONE FREE — LAST CHANCE!
2 Bottles for $49.99
(Only $24.99 per bottle)
PLUS...

95,000+ Happy Customers

Backed by a 60-day money-back guarantee

Buy one get one free — unbeatable value

As low as $0.83 per day

BUY NOW

95,000+ Happy Customers

END OF SUMMER SALE - BUY 1 GET 1 FREE OFFER

STOCK RUNNING LOW due to high demand