
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
GMP Standards
Tested by an independent laboratory
Never tested on animals
No artificial sweeteners
Only premium assets
What if the real obstacle wasn't your plate… but your cortisol?
You eat healthy. You’re putting in the effort. And yet, the scale isn’t budging. The hidden culprit? Cortisol, the stress hormone. When its levels get too high, your body switches to “survival mode”: it stores fat—especially around the belly—triggers emotional eating, and puts your metabolism on hold.
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You'll start to feel the first effects in just 30 days
How Nulevel™ Helps Your Body Regain Its Balance
A combination of four clinically studied active ingredients to help rebalance your cortisol levels
🎁 FREE today — the program that makes your detox ten times more effective
Join thousands of satisfied customers
Excellent 4.8 / 5 1,253 verified reviews
Frequently Asked Questions
The Questions Everyone Is Asking
Is it suitable for all diets?
Is it suitable for all diets?
Absolutely. Nulevel Cortisol Balance has been formulated to suit as many people as possible: it is vegan, gluten-free, GMO-free, and free of common allergens such as soy and lactose.
Is it suitable for use after menopause?
Is it suitable for use after menopause?
Absolutely. Nulevel Cortisol Balance is ideal for this stage of life. Natural ingredients like ashwagandha and magnesium help support hormonal balance, relieve stress, and promote better sleep—all of which are common needs during and after menopause.
Can it cause digestive discomfort?
Can it cause digestive discomfort?
The formula is designed to be gentle on the stomach, particularly thanks to magnesium glycinate, which is easily absorbed and known for its high tolerability. If you experience mild sensitivity, take it with a meal for greater digestive comfort.
When during the day should I take it?
When during the day should I take it?
It depends on what you're looking for:
In the morning—for energy, focus, and better stress resilience throughout the day.
In the evening—to promote relaxation and restful sleep.
You can also split the dose between the morning and evening for best results.
How long does it take for the first effects to appear?
How long does it take for the first effects to appear?
Most users notice improvements in stress levels, mood, and energy after 1 to 2 weeks of regular use. For more profound effects—such as hormonal rebalancing or effects on cortisol-sensitive areas—allow 4 to 6 weeks of daily use. The real secret: consistency.
Can it be taken if you have high blood pressure or are taking medication for high blood pressure?
Can it be taken if you have high blood pressure or are taking medication for high blood pressure?
As a precaution, we do not recommend Nulevel Cortisol Balance for people with high blood pressure or those taking antihypertensive medication, unless approved by their healthcare provider. Certain natural active ingredients may affect blood pressure or interact with current medications.
Is it safe for people with heart problems?
Is it safe for people with heart problems?
If you have a history of heart disease, arrhythmia, heart failure, or are undergoing cardiovascular treatment, consult your doctor before taking this product. As a precaution, we do not recommend this product without appropriate medical supervision.
Can it be taken if you have liver disease or fatty liver?
Can it be taken if you have liver disease or fatty liver?
If you have a liver condition, steatosis (fatty liver), or any other liver disease, taking this product without prior medical advice is not recommended. Since the liver plays a central role in the metabolism of the active ingredients, medical supervision is preferable in these situations.
Is it compatible with intensive or long-term medical treatment?
Is it compatible with intensive or long-term medical treatment?
If you are undergoing intensive or long-term treatment, or if your condition requires regular medical monitoring, we recommend that you consult a healthcare professional before taking this product to rule out any risk of interaction.
Can it be used in conjunction with thyroid treatment?
Can it be used in conjunction with thyroid treatment?
As a precaution, Nulevel Cortisol Balance is not recommended for people undergoing thyroid treatment—particularly those taking Levothyrox®—without prior medical consultation. Certain active ingredients may interfere with hormonal balance or the absorption of the medication.
Is it appropriate for patients with a history of hormone-dependent cancer?
Is it appropriate for patients with a history of hormone-dependent cancer?
As a precaution, we do not recommend this product for individuals with a personal history of hormone-dependent cancer or who are undergoing treatment for this condition, unless otherwise advised by a healthcare professional.
Can it be taken after chemotherapy?
Can it be taken after chemotherapy?
After chemotherapy or other intensive treatment, it’s best to consult your doctor before starting, to ensure it’s compatible with your condition and your current treatment plan.
FitSlim arrives in Paris – Come and experience it for yourself!
FitSlim is opening its very first pop-up store in Paris!
This is a unique opportunity to discover our products in person, try them out right there, and get personalized advice from our team.




