Frequently Asked Questions
We answer the most frequently asked questions about our natural nootropics ( ZZEN Focus , ZZEN Sleep , ZZEN Calm ) and also ZZEN Mode.
What sets ZZEN apart from other brands?
What sets ZZEN apart from other brands?
Although every body is different, most of our users experience initial sensations such as increased mental clarity, active calmness, or improved sleep quality from the first few days of use. However, ZZEN formulas are designed to support the body's natural processes gradually and sustainably , so the most stable benefits typically appear after the first few weeks of regular use.
During the first month , you'll notice your energy and focus stabilizing, helping you be more productive without the peaks and valleys of common stimulants. By the third month , consistency allows the ingredients to reach their maximum effectiveness, strengthening your mental resilience and emotional balance in the long term. Remember that consistency is key to ensuring these results aren't just a passing fad, but rather your new baseline for daily performance.
Are ZZEN formulas addictive?
Are ZZEN formulas addictive?
No. None of ZZEN's formulas contain drugs or ingredients that cause physical or psychological dependence.
Each product is formulated to naturally and sustainably support key functions such as stress management, concentration, energy, and rest, without altering the body's own mechanisms.
Unlike other approaches based on aggressive or short-term solutions, ZZEN works to strengthen your natural rhythms, acting as a real support, not a crutch.
Are the doses adequate?
Are the doses adequate?
Our laboratory and formulation team has selected optimal doses based on the latest scientific evidence, seeking maximum effect without altering your body's natural rhythms.
We use high-quality standardised extracts in effective but balanced concentrations to deliver real results without overloading your body.
In addition, ZZEN formulas have been designed according to a principle of synergy: each ingredient enhances the effect of the other, always achieving maximum efficacy.
What certifications back up ZZEN's quality?
What certifications back up ZZEN's quality?
In general, ZZEN can be taken with food or on an empty stomach. However, for better digestive tolerance, especially for sensitive individuals, we recommend taking 2 capsules with a light meal. This promotes absorption and minimizes any potential stomach discomfort.
Are there any side effects?
Are there any side effects?
ZZEN formulas are developed with high-quality natural ingredients in safe doses, based on scientific evidence. However, as with any dietary supplement, each body may react differently.
In specific cases, mild discomfort may occur, especially if there are individual sensitivities.
If you have any doubts, are pregnant, breastfeeding, or have a pre-existing medical condition, we recommend consulting a healthcare professional before incorporating ZZEN into your daily routine.
Can I combine different ZZEN products?
Can I combine different ZZEN products?
Yes. All ZZEN formulas are designed to be used together.
They have been designed to work synergistically, supporting different areas of wellbeing — such as stress, concentration, rest or energy — without overlap or excess.
This allows you to customise your supplementation routine according to your needs, combining products safely and effectively to achieve comprehensive and sustainable care for your mind and body.
What are the main benefits of FOCUS?
What are the main benefits of FOCUS?
ZZEN Focus is a nootropic formulated to support cognitive function, promote memory, improve concentration and enhance mental clarity naturally.
Its combination of ingredients works synergistically to optimise brain performance, helping you maintain focus and mental agility even in situations of high intellectual or emotional demand.
It also helps manage stress and maintain emotional balance, two key factors for sustained mental performance over time.
Integrating ZZEN Focus into your daily routine can help you enhance your learning, retention and decision-making abilities, supporting your personal and professional growth in a natural and sustainable way.
ZZEN Focus is the ideal ally for those seeking to develop their maximum mental potential with scientific backing and maximum purity in every ingredient.
Why ZZEN over other nootropics?
Why ZZEN over other nootropics?
ZZEN stands out because it combines science, quality and real effectiveness.
While many nootropics on the market use generic formulas or poorly supported dosages, at ZZEN we have spent years researching, selecting and formulating only with ingredients backed by scientific evidence, in optimal dosages that guarantee real and safe results.
Each product is developed to the highest quality standards, using pure extracts, without unnecessary excipients and with a focus on natural synergies between ingredients.
With ZZEN, you choose safety, transparency and performance: a formula designed not only to boost your mind, but to respect and enhance your long-term balance.
What results can I expect and how long will it take?
What results can I expect and how long will it take?
With ZZEN, you will experience both immediate and long-term benefits. From the very first days, you will notice an improvement in your energy and concentration, which will help you to be more productive and efficient.
In the long term, ZZEN supports memory and helps prevent cognitive decline, strengthening your mental resilience and helping you to maintain emotional balance. Its formula is designed to enhance sustainable cognitive performance, giving you the tools you need to face the challenges of the present and the future with confidence.
Are the doses adequate?
Are the doses adequate?
Our laboratory and formulation team have selected optimal doses based on the latest scientific evidence, seeking maximum effect without altering your body's natural rhythms.
We use high-quality, standardized extracts in effective yet balanced concentrations to deliver real results without overloading your body.
To activate its full potential, it is essential to take two capsules of each product daily. Thanks to its cumulative effect, the benefits become deeper and more stable over time, allowing the formula to work in synergy with your body to achieve consistent and sustainable long-term results.
What does it mean for an ingredient to be standardized?
What does it mean for an ingredient to be standardized?
A standardized ingredient guarantees a specific and consistent concentration of its active components. This means that each capsule always provides the same amount of active compounds, ensuring efficacy, safety, and consistency between batches—essential for supplements based on scientific evidence.
Are the ingredients backed by scientific studies?
Are the ingredients backed by scientific studies?
Yes. The ingredients used in ZZEN formulas have been selected based on published scientific studies that support their use, safety, and benefits within the dosages employed. Our approach prioritizes ingredients with real scientific backing, avoiding fads or unfounded claims.
KSM-66® is a full-spectrum ashwagandha extract, obtained solely from the root and standardized to preserve its natural profile. It differs from other ashwagandhas due to its extensive scientific backing, its patented extraction process, and its focus on long-term efficacy and tolerance.
Because each formula is designed with a specific objective. ZZEN Calm focuses on stress management and emotional balance during the day, using adaptogenic ingredients and botanical extracts. ZZEN Sleep, on the other hand, incorporates magnesium for its key role in muscle relaxation and the quality of nighttime rest. This avoids unnecessary overlap and optimizes the function of each product.
What is the difference between KSM-66 ashwagandha and other ashwagandhas?
What is the difference between KSM-66 ashwagandha and other ashwagandhas?
KSM-66® is a full-spectrum ashwagandha extract, obtained solely from the root and standardized to preserve its natural profile. It differs from other ashwagandhas due to its extensive scientific backing, its patented extraction process, and its focus on long-term efficacy and tolerance.
Because each formula is designed with a specific objective. ZZEN Calm focuses on stress management and emotional balance during the day, using adaptogenic ingredients and botanical extracts. ZZEN Sleep, on the other hand, incorporates magnesium for its key role in muscle relaxation and the quality of nighttime rest. This avoids unnecessary overlap and optimizes the function of each product.
Why does ZZEN Calm not contain magnesium for stress, but ZZEN Sleep does?
Why does ZZEN Calm not contain magnesium for stress, but ZZEN Sleep does?
Because each formula is designed with a specific goal. ZZEN Calm focuses on stress management and emotional balance during the day, using adaptogenic ingredients and botanical extracts. ZZEN Sleep, on the other hand, incorporates magnesium for its key role in muscle relaxation and the quality of nighttime rest. This avoids unnecessary overlap and optimizes the function of each product.
How many days does a boat last?
How many days does a boat last?
Each bottle of ZZEN contains 60 capsules, giving you a full supply for 30 days of use.
To get the maximum benefit, it is essential to maintain the habit of taking two capsules a day of each product, every day.
This regimen is necessary to activate the cumulative effect of its ingredients. By consistently taking these two capsules daily, you allow the effects to be enhanced and become deeper and more stable over time.
Is it suitable for vegans?
Is it suitable for vegans?
Yes. ZZEN capsules are plant-based and the formulas contain no added sugars. However, if you have any specific intolerances, we recommend checking the ingredient list or consulting a healthcare professional before use.
Who is it recommended for?
Who is it recommended for?
This supplement is designed for individuals seeking holistic growth in their lives, both personally and professionally. It is ideal for professionals, students, and anyone facing high levels of stress who wishes to improve their mental, physical, and emotional performance.
Yes, ZZEN is suitable for most diets, as it is formulated with 100% natural ingredients and comes in sugar-free vegetable capsules. However, if you have any specific dietary restrictions, we recommend checking the full list of ingredients or consulting with a nutritionist before taking it.
If you are pregnant, breastfeeding, or undergoing medical treatment, we recommend consulting with your healthcare professional beforehand. Although these are natural supplements, each case is different, and safety comes first.
Of course! Our formulas are designed to adapt to you. If you have rotating shifts, you just need to adjust the intake of the two daily capsules to your own rhythm of activity and rest.
Ideally, take both capsules together at the same time in your personal day. By adapting the dose to your life schedule, you allow the cumulative effect to continue working to optimize your performance and recovery, no matter what the clock says.
ZZEN is not recommended for individuals under 18 years of age, pregnant or breastfeeding women, or those with specific medical conditions or who are taking medications without prior consultation with a healthcare professional.
Our products are formulated for adults over 18 years of age. If you wish for a minor to consume it, we recommend consulting with your doctor or pediatrician first so they can provide a more personalized assessment.
Our Spanish laboratory holds highly prestigious international certifications, including:
- IFS Food V7 (International Featured Standards).
- GMP (Good Manufacturing Practices) specific for food supplements.
- NSF certification for high-quality products.
- Registration with the FDA (U.S. Food and Drug Administration).
- Halal Certification.
- Registration with health authorities in Saudi Arabia (SFDA), United Arab Emirates (UAE Ministry of Health), and Kurdistan (Medical Control Agency).
Store the product in a cool, dry place, protected from direct light and humidity.
Make sure to close the container tightly after each use and keep it out of reach of children.
Yes. ZZEN can be taken during intermittent fasting, as it contains no sugar or significant calories. However, some people prefer to take it during the eating window for better digestive tolerance.
All our supplements are manufactured in Spain, in certified facilities that meet international quality and food safety standards.
No. None of ZZEN's formulas contain drugs or ingredients that cause physical or psychological dependence.
Can I take ZZEN Labs if I follow a specific diet?
Can I take ZZEN Labs if I follow a specific diet?
Yes, ZZEN is suitable for most diets, as it is formulated with 100% natural ingredients and comes in sugar-free vegetable capsules. However, if you have any specific dietary restrictions, we recommend reviewing the complete list of ingredients or consulting with a nutritionist before taking it.
If you are pregnant, breastfeeding, or undergoing medical treatment, we recommend consulting with your healthcare professional beforehand. Although these are natural supplements, each case is different, and safety comes first.
Of course! Our formulas are designed to adapt to you. If you have rotating shifts, you just need to adjust the intake of the two daily capsules to your own rhythm of activity and rest.
Ideally, you should take both capsules together at the same time in your personal day. By adapting the dose to your life schedule, you allow the cumulative effect to continue working to optimize your performance and recovery, no matter what the clock says.
ZZEN is not recommended for individuals under 18 years of age, pregnant or breastfeeding women, or those with specific medical conditions or who are taking medications without prior consultation with a healthcare professional.
Our products are formulated for adults over 18 years of age. If you wish for a minor to consume it, we recommend consulting your doctor or pediatrician beforehand so they can provide a more personalized assessment.
Our Spanish laboratory holds highly prestigious international certifications, including:
- IFS Food V7 (International Featured Standards).
- GMP (Good Manufacturing Practices) specific for food supplements.
- NSF certification for high-quality products.
- FDA (U.S. Food and Drug Administration) registration.
- Halal certification.
- Registration with health authorities in Saudi Arabia (SFDA), United Arab Emirates (UAE Ministry of Health), and Kurdistan (Medical Control Agency).
Store the product in a cool, dry place, protected from direct light and humidity.
Make sure to close the container tightly after each use and keep it out of reach of children.
Yes. ZZEN can be taken during intermittent fasting, as it contains no significant sugars or calories. However, some people prefer to take it during the eating window for better digestive tolerance.
All our supplements are manufactured in Spain, in facilities certified with international quality and food safety standards.
No. None of ZZEN's formulas contain drugs or ingredients that cause physical or psychological dependence.
Can I take ZZEN products if I am pregnant, breastfeeding, or have a medical condition?
Can I take ZZEN products if I am pregnant, breastfeeding, or have a medical condition?
If you are pregnant, breastfeeding, or undergoing medical treatment, we recommend consulting with your healthcare professional beforehand. Although these are natural supplements, each case is different, and safety comes first.
Of course! Our formulas are designed to adapt to you. If you work rotating shifts, you just need to adjust the intake of the two daily capsules to your own rhythm of activity and rest.
Ideally, you should take both capsules together always at the same time of your personal day. By adapting the dose to your life schedule, you allow the cumulative effect to continue working to optimize your performance and recovery, no matter what the clock says.
ZZEN is not recommended for individuals under 18 years of age, pregnant or breastfeeding women, or those with specific medical conditions or who are taking medications without prior consultation with a healthcare professional.
Our products are formulated for adults over 18 years of age. If you wish for a minor to consume it, we recommend consulting your doctor or pediatrician beforehand so they can provide a more personalized assessment.
Our Spanish laboratory holds highly prestigious international certifications, including:
- IFS Food V7 (International Featured Standards).
- GMP (Good Manufacturing Practices) specific to food supplements.
- NSF Certification for high-quality products.
- FDA Registration (U.S. Food and Drug Administration).
- Halal Certification.
- Registration with health authorities in Saudi Arabia (SFDA), United Arab Emirates (UAE Ministry of Health), and Kurdistan (Medical Control Agency).
Store the product in a cool, dry place, protected from direct light and humidity.
Make sure to close the container tightly after each use and keep it out of reach of children.
Yes. ZZEN can be taken during intermittent fasting as it contains no sugars or significant calories. However, some people prefer to take it during their eating window for better digestive tolerance.
All our supplements are manufactured in Spain, in certified facilities with international standards of quality and food safety.
No. None of ZZEN's formulas contain drugs or ingredients that cause physical or psychological dependence.
Can I adjust the intake to fit my routine if I have rotating shifts?
Can I adjust the intake to fit my routine if I have rotating shifts?
Of course! Our formulas are designed to adapt to you. If you have rotating shifts, you just need to adjust the intake of the two daily capsules to your own rhythm of activity and rest.
Ideally, you should take both capsules together at the same time in your personal day. By adapting the dose to your life schedule, you allow the cumulative effect to continue working to optimize your performance and recovery, regardless of what the clock says.
Who is ZZEN not recommended for?
Who is ZZEN not recommended for?
ZZEN is not recommended for individuals under 18 years of age, pregnant or breastfeeding women, or those with specific medical conditions or who are taking medications, without prior consultation with a healthcare professional.
Our products are formulated for adults over 18 years of age. If you wish for a minor to consume it, we recommend consulting with your doctor or pediatrician beforehand so they can provide a more personalized assessment.
Our Spanish laboratory holds internationally recognized certifications of the highest prestige, including:
- IFS Food V7 (International Featured Standards).
- GMP (Good Manufacturing Practices) specific to food supplements.
- NSF Certification for high-quality products.
- FDA (U.S. Food and Drug Administration) Registration.
- Halal Certification.
- Registration with health authorities in Saudi Arabia (SFDA), United Arab Emirates (UAE Ministry of Health), and Kurdistan (Medical Control Agency).
Store the product in a cool, dry place, protected from direct light and humidity.
Make sure to close the container tightly after each use and keep it out of reach of children.
Yes. ZZEN can be taken during intermittent fasting, as it contains no significant sugars or calories. However, some people prefer to take it during their eating window for better digestive tolerance.
All our supplements are manufactured in Spain, in facilities certified with international quality and food safety standards.
No. None of ZZEN's formulas contain drugs or ingredients that cause physical or psychological dependence.
From what age can ZZEN be consumed?
From what age can ZZEN be consumed?
Our products are formulated for adults over 18 years of age. If you wish to have a child consume them, we recommend consulting your doctor or pediatrician first for a more personalized assessment.
What certifications support the quality of ZZEN Labs?
What certifications support the quality of ZZEN Labs?
Our Spanish laboratory holds prestigious international certifications, including:
- IFS Food V7 (International Featured Standards).
- GMP (Good Manufacturing Practices) specific to food supplements.
- NSF certification for high-quality products.
- Registration with the FDA (U.S. Food and Drug Administration).
- Halal Certification.
- Registration with health authorities in Saudi Arabia (SFDA), the United Arab Emirates (UAE Ministry of Health) and Kurdistan (Medical Control Agency).
How should I store the product once opened?
How should I store the product once opened?
Store the product in a cool, dry place, protected from direct light and moisture.
Make sure to close the container tightly after each use and keep it out of reach of children.
Is it compatible with intermittent fasting?
Is it compatible with intermittent fasting?
Yes. ZZEN can be taken during intermittent fasting, as it contains no significant sugars or calories. However, some people prefer to take it during their eating window for better digestive tolerance.
Where are ZZEN Labs products manufactured?
Where are ZZEN Labs products manufactured?
All our supplements are manufactured in Spain, in facilities certified with international standards of quality and food safety.
Are ZZEN formulas addictive?
Are ZZEN formulas addictive?
No. None of ZZEN's formulas contain drugs or ingredients that generate physical or psychological dependence.
Can I change or cancel an order?
Can I change or cancel an order?
If you need to modify or cancel your order, we recommend contacting our customer service team as soon as possible. If the order has not yet been processed or shipped, we will do our best to assist you.
How long does shipping take?
How long does shipping take?
Your order will be processed and shipped within 24-48 business hours. You can generally expect to receive your supplement within 2-4 business days. We ensure your supplement arrives quickly and efficiently.
I've had a problem with the shipment, how do I handle it?
I've had a problem with the shipment, how do I handle it?
If you notice any issues with your order, please contact our customer service team via email , including your order number. Our team will review your case and provide a solution as soon as possible.
How can I track my order?
How can I track my order?
Once your order has been shipped, you will receive an email with tracking information so you can check the shipment status at all times.
Do you ship outside of Spain?
Do you ship outside of Spain?
Yes, ZZEN Labs is now available in Spain, throughout Europe, and also in the US. You can check shipping times and costs in your shopping cart.
What is the shipping cost?
What is the shipping cost?
Shipping costs are calculated automatically during the checkout process and may vary depending on the destination and order amount.






