E3

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Fórmula e3

(Loved by 16481+ customers)

Support for Relaxation & Quality Sleep.

Dietary Supplement based on Magnesium

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Core Efficacy

・Promotes Relaxation & Calm: Formulated with Magnesium Citrate and botanicals like Lemon Balm, designed to support the nervous system’s calm function.

・Supports Restful Sleep: Aims to improve sleep quality by helping to prepare the mind and body for rest, without using hormones.

・Helps Manage Occasional Stress: Provides nutrients intended to support the body’s response to everyday stress.

・Eases Occasional Muscle Tension: Magnesium plays a role in muscle contraction and relaxation, supporting physical calm.

Ingredients

Active Ingredients: Magnesium Citrate

Other Ingredients: Vegetarian HPMC Capsule, Microcrystalline Cellulose, Magnesium Stearate.

Target Audience

・Adults experiencing occasional difficulty relaxing or unwinding at the end of the day.

・Those seeking a non-hormonal, natural approach to support better sleep quality.

・Individuals looking for nutritional support to manage the effects of everyday stress.

・People with occasional muscle tightness seeking supportive relaxation.

Suggest Use

As a dietary supplement, take 1 to 3 capsules before meal.

Caution

Do not exceed recommended dose. Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Do not combine with alcohol or sedative medications.

Contraindications

・This product is a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease. Not for use with sedative medications.

・Not intended for use by children.

・Not recommended for pregnant or breastfeeding women.

・Discontinue use if known hypersensitivity to any ingredient occurs.

Storage

Keep out of the reach of children. Store in a cool, dry place. Do not use if safety seal is damaged or missing.

Three Advanced Technologies

One Unified Formula

Dual-Action Calm & Sleep Support System

Daytime Calm Support (Morning Dose): The morning capsule contains L-Theanine and a lower dose of magnesium, designed to promote a sense of focused calm and resilience against daily stressors without drowsiness.
Nighttime Rest Support (Evening Dose): The evening capsules feature a synergistic blend of Magnesium Citrate, Lemon Balm, Valerian, Passionflower, and GABA. This complex is designed to support the body’s natural wind-down processes, helping to quiet the mind and prepare for restful sleep.

High-Bioavailability Magnesium & Targeted Botanicals

Utilizes Magnesium Citrate, a form known for its good absorption and bioavailability, crucial for its role in neuromuscular relaxation and nervous system regulation.
Combines traditional calming herbs (Lemon Balm, Valerian, Passionflower) with modern amino acids (L-Theanine, GABA) for a multi-pathway approach to supporting relaxation.

Non-Hormonal, Neurotransmitter-Supportive Approach

Unlike common sleep aids that supplement melatonin directly, E3 is designed to nutritionally support the body’s own production of calming neurotransmitters (like GABA) and the healthy function of the nervous system.
This approach aims to support the body’s innate rhythms without introducing external hormones that can disrupt the natural sleep-wake cycle.

Developed to work synergistically at the cellular level.

Rigorous testing that sets a higher standard.

No Preservatives

No Heavy Metals

No Fragrances

No Pigments

No Sweeteners

The Gold Standard in Nutricosmetics

Formula E3 offers a smart, non-hormonal strategy to support daily relaxation and promote restful sleep.

Standard 1

Targeted Efficacy

Features a Dual-Action Timing System for all-day calm and night-time rest support.

Provides high-absorption Magnesium Citrate, a key mineral for nervous system and muscle relaxation.

Includes a studied blend of Calming Botanicals (Lemon Balm, Valerian) and L-Theanine to support relaxation pathways.

Standard 2

Pure & Safe

Manufactured in a cGMP-certified facility.

Free from melatonin, artificial sedatives, flavors, and colors.

Uses a vegetarian HPMC capsule.

Standard 3

High Bioavailability

Uses the citrate form of magnesium for optimal absorption and gentleness on the stomach.

- Formulated with standardized herbal extracts to ensure consistent potency and activity.

How to use:

As a dietary supplement, take 1 capsule in the morning and 1-2 capsules before bed. For optimal support, use daily.

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Formula e3

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ANNUAL

30-day supply • 60 capsules

Frequently Asked Questions

Is E3 habit-forming?

No. E3 is formulated with nutritional and botanical ingredients designed to support your body’s own relaxation mechanisms. It does not contain habit-forming drugs or synthetic sedatives.

Can I take E3 during the day without getting sleepy?

Yes. The morning capsule is specifically designed with ingredients like L-Theanine to promote a state of focused calm and resilience to stress, which should not cause drowsiness for most people. The sleep-supportive effects are targeted for the evening dose.

What's the difference between E3 and over-the-counter melatonin?

Melatonin is a hormone that directly signals your brain it's time to sleep. E3 takes a different, nutritional approach by providing minerals and botanicals that support your nervous system’s natural ability to relax and wind down, helping you achieve sleep through your body’s own processes.

How quickly does E3 work?

The calming effects of the evening dose can often be felt within 30-60 minutes as part of a relaxing bedtime routine. The long-term benefits for sleep quality and stress resilience build with consistent daily use.

Can I take E3 if I'm on medication for anxiety or depression?

You must consult your prescribing doctor before taking E3 or any new supplement if you are on medication for a psychiatric condition. Do not combine with sedative medications.

Double Nobel Prize-winning research team

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George F Smoot

professor

Nobel Laureates of 2006

Claudia Gamazo Laherrán

Nuclear Medicine Attending Physician, Society Secretary（Years in practice - 12）

Javier Cano

professor

Medical Director of Kno Medic, Barcelona

Expert Recommendation

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Dr. Berta Pérez López

Verified clinician

Specialist

Nuclear Medicine

Years in practice

Managing the Stress Load of Modern Life

"The nervous system's ability to regulate stress and transition to rest is fundamental to health. E3 utilizes magnesium, a crucial mineral for neuromuscular function and GABA pathway support, in a bioavailable form. This provides targeted nutritional support for the body's natural relaxation mechanisms, which is essential for recovery and resilience."

Dra. María Gracia Díez Monge

Verified clinician

Clinic Director

Pelvic Floor Physiotherapist

Years in practice

Rest as a Pillar of Physical Recovery

"In my field, quality sleep is non-negotiable for tissue repair and pain modulation. E3's non-hormonal, nutrient-based formula supports this vital pillar by aiding the nervous system's wind-down process and muscle relaxation. It’s a valuable tool for patients needing to enhance their body's natural recovery cycle."

50,000+ verified 5-star reviews for 180 The Concept products

Sarah J.

"I'm a chronic overthinker and struggle to switch off at night. E3 has been a gentle help. I don't wake up groggy like with some sleep aids. The morning capsule takes the edge off my daily anxiety, and the nighttime ones help me unwind. I'm not 'knocked out,' but I fall asleep easier and sleep more soundly. After 2 months, my overall stress levels feel more manageable."

35, Project Manager

Michael B.

"My sleep was fragmented—waking up 3-4 times a night. I wanted to avoid melatonin. I've used E3 for about 8 weeks. I still wake up occasionally, but I fall back asleep much faster. The quality of sleep is deeper. I also notice less muscle stiffness in the morning, which I attribute to the magnesium. It's a subtle but meaningful improvement to my nights."

58, Retired

Emma S.

"Deadline stress was ruining my sleep and giving me jaw tension from clenching. A friend recommended E3. The evening dose genuinely helps my body relax; I can feel my shoulders drop. My sleep isn't perfect, but it's 80% better. I appreciate that it's non-hormonal and doesn't leave me feeling dependent. It's a great tool for stressful periods."

29, Graduate Student

Robert L.

"Long, physically demanding hours left me wired and tight at night. E3 has been a game-changer for my recovery. The magnesium citrate makes a huge difference in my muscle recovery—less cramping. And because I'm more physically relaxed, my mind follows, and I sleep better. It's become as essential as my post-shift shower."

44, Chef

Chloe D.

"I have a sensitive system and react badly to strong supplements. E3 is wonderfully gentle. I take one capsule in the morning and two at night. It doesn't force sleep but creates the right conditions for it. My dreams are more vivid (in a good way), and I wake up feeling more restored. After a month, the difference in my ability to handle afternoon stress is noticeable."

41, Writer