Zen Stack
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Zen Stack
Zen Stack
Zen Stack
Zen Stack
Zen Stack

The combo of products have been great, I notice when I've forgot to take them in the morning. I'm less edgy during the day, nothing seems to bother me and I have more patience!

Victoria H.

Verified Zen Stack Customer

Zen Stack

Rated 4.7 out of 5
Based on 575 reviews
$110.95
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Support the body's response to physical stress.*

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Achieve instant relief during moments of overwhelming stress*.

Complete Your Stack:

View Mood Bites

Mood Bites

Citrus Peach Chewables

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Naturally maintain a positive mood.*

View MagTech® Magnesium (90ct)

MagTech® Magnesium (90ct)

Featuring clinically-tested Magtein - a specialized form of magnesium-l-threonate developed by MIT scientists.

$36.95 $42.95
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Better Sleep In A Bottle*

View Vitamin D3 w/ Organic Coconut Oil

Vitamin D3 w/ Organic Coconut Oil

Supports new cell growth and bone formation.*

$9.95 $14.95
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The “Super Vitamin”

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Zen Stack Benefits

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Keep Calm All Day*

GABA calms the mental chaos by slowing down signals between neurons, making it easier to achieve and maintain a sense of calm.* Our formula contains rosemary to extend GABA’s calming effects for longer.*
lotus flower

Improved Overall Mood*

Provides the nutrients needed to produce serotonin, leading to improved mood from optimal serotonin levels.*
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High Absorption and Bioavailability

Vitamin D3 is best absorbed in the body alongside a saturated fat. Natural Stacks includes a coconut oil capsule to ensure the Vitamin D3 gets to where it needs to go!

VITAMIN D3 AND TURMERIC CURCUMIN

Vitamin D3 plays an integral role in regulating healthy neuromuscular and immune systems, as well as mood and sleep.

It’s also a critical hormone precursor that supports new cell growth and bone formation.

Natural Stacks Liquid Curcumin is 185x more bioavailable than regular powdered curcumin, making it the most efficient supplement for delivering a standard therapeutic dose.

GABA and Serotonin Brain Food

SEROTONIN BRAIN FOOD™ And GABA BRAIN FOOD™

Serotonin Brain Food™ is designed to support the body's production of serotonin, a neurotransmitter essential to mental well-being.*

GABA Brain Food™ is designed to support the normal, healthy production of GABA, a neurotransmitter essential to mental calmness.*

The compounds in GABA Brain Food™ may help you reduce temporary feelings of stress, as well as support relaxation and improve sleep quality.*

Scientifically Formulated Ingredients

Curcumin Liquid Extract (NovaSOL®)

Fully absorbed at rapid speed.*

Organic Coconut Oil

The healthiest fat on the planet, organic coconut oil.

Vitamin D3

Vitamin D3 is essential for optimal performance and health.

Gamma-Aminobutyric Acid

As the main inhibitory neurotransmitter in the brain, GABA’s role is to act like a “brake” and balance excessive stimulation.

Grape Seed Extract

Supports healthy cellular function.

L-Citrulline

Found in foods like watermelon, dairy, beef and pork.

Rosemary Leaf Extract

Found in rosemary, sage, mint and basil.

L-Tryptophan

We included this ingredient because it’s the precursor for serotonin. Your brain needs adequate levels of L-tryptophan to produce serotonin.*

Magnesium Glycinate

The magnesium in magnesium glycinate may support relaxation.*


Rhodiola Rosea (root) extract

Rhodiola Rosea is in Serotonin Brain Food because it may support mental well-being and control stress.* With less stress, your brain produces more serotonin.*

Vitamin B3 (Niacinamide)

This formula contains niacin, a form of vitamin B3, because it’s crucial for the overall energy metabolism of the cell. Your cells need it to produce serotonin.*

Zinc Glycinate

Like magnesium, we included zinc in this formula because it is a nutrient cofactor involved in serotonin production.*

Supplement Facts Show All 12 Show Less

Curcumin Liquid Extract (NovaSOL®)

With this ingredient's patented NovaSOL technology, curcumin (the active ingredient in turmeric) is transformed into liquid micelles that can be fully absorbed at rapid speed.* This means you’ll feel curcumin’s health effects faster.*

Organic Coconut Oil

We added the healthiest fat on the planet, organic coconut oil to the formula in order to further increase the effectiveness and absorption of the liquid curcumin.

Vitamin D3

Each softgel features 5,000 IU of the most bioavailable form of Vitamin D (Cholecalciferol). Vitamin D3 is essential for optimal performance and health.

Gamma-Aminobutyric Acid

Gamma-Aminobutyric Acid is a neurotransmitter with central nervous system (CNS) inhibitory activity. Gamma-aminobutyric acid (GABA), converted from the principal excitatory neurotransmitter glutamate in the brain, plays a role in regulating neuronal excitability by binding to its receptors, GABA-A and GABA-B, and thereby causing ion channel opening, hyperpolarization and eventually inhibition of neurotransmission. GABA acts to slow down signals between neurons, making neurons less electrically excitable.

Grape Seed Extract

Similar to L-citrulline, grape seed extract is used to increase nitric oxide production to help GABA pass across the blood-brain barrier and enter the brain.*

L-Citrulline

An amino acid found in foods like watermelon, dairy, beef and pork. L-Citrulline is converted into L-arginine, a known nitric oxide booster, which is theorized to help shuttle GABA into the brain across the blood-brain barrier.

Rosemary Leaf Extract

Found in rosemary, sage, mint and basil, rosmarinic acid is a polyphenol flavonoid. It is also found in lemon balm and is used in aromatherapy to encourage feelings of calm and relaxation.

L-Tryptophan

L-Tryptophan is an essential amino acid that is one of the required nutrients for serotonin synthesis.* The most common dietary sources of tryptophan include nuts and seeds, meats and dairy, fish and legumes.

Magnesium Glycinate

Glycine is an amino acid, attached to the magnesium molecule in magnesium glycinate. This is one of the highest quality forms of magnesium available. The magnesium in magnesium glycinate may support relaxation.*

Rhodiola Rosea (root) extract

Used in traditional Chinese medicine for hundreds of years, this well-studied adaptogenic herb supports recovery and may reduce feelings of stress.*

Vitamin B3 (Niacinamide)

Vitamin B-3 (Niacinamide) is an essential vitamin that is also a necessary cofactor for the proper metabolism of fat, carbohydrate, protein, and alcohol.* It’s also closely involved in cell signaling and DNA repair.* It’s used most extensively in the brain, gut and skin, which have a high cellular turnover rate.* Our Vitamin B-3 source is a niacinamide, which has been carefully selected to reduce incidences of flushing - many other Vitamin B-3 sources are niacin, which can cause uncomfortable skin flushing.*

Zinc Glycinate

Zinc glycinate is a critical factor in maintaining a healthy immune system, supporting optimal cell division and replication.* This innovative formula provides ingredients from vitamins, minerals, and amino acids that our bodies use as precursors and cofactors to support normal, healthy function of neurotransmitters.*

How To Use

How Many Servings In Each Bottle?

Serotonin: 20 servings

GABA: 20 servings

Vitamin D3: 30 servings

Turmeric Curcumin: 30 servings

How many capsules a day?

Serotonin: 3 capsules/day as needed

GABA: 3 capsules/day as needed

Vitamin D3: 1 softgel/day

Turmeric Curcumin: 2 softgels/day

What To Expect

"I haven’t felt this rested in years. I have several sleep issues, but most medications make me drowsy the next day. The GABA lets me sleep soundly and wake up feeling rested."

- Marion B.

"My house doesn't get a lot of sunshine and quite frankly it's been raining every day for the past this has been a lifesaver."

- Collette S.

"As I age my hormonal journey has been a Rollercoaster. I wanted to start feeling better on down days and this has really helped. I take it twice a day for 2 weeks then 2 weeks off. Thank you from my brain and heart."

- N.


Results You Can Feel. Lab Tests You Can See.

View 3rd Party Test results for The Current Batch


Natural Stacks “Open Source” transparency program provides ingredient traceability and 3rd party lab test results for every batch. It’s powered by blockchain technology and secured by HealthLoq™ on transparent, tamperproof, trusted data.

Learn More About Our Commitment to Transparency

Certified Open Source - Trademark. Full Label Disclosure
Warning: If you are pregnant, nursing, or taking medications, consult a healthcare practitioner before use.

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