NutraBio Quiet Mind Nootropic Powder 30 Servings - KSM-66® Ashwagandha Root Extract 600mg | Svpplements

NutraBio

NutraBio | Quiet Mind | 30 Servings

Clinical calm from KSM-66®, Holixer™, Relissa®, and Zembrin®

$44.99 $1.49/serving
0

SuppVault Score

Excellent — top tier

NutraBio | Quiet Mind | 30 Servings

Six dimensions, weighted by category. Each is scored 0–10 from the supplement-facts panel data and the 2,492-ingredient knowledge base.

  • Clinical Dosing 10/10
  • Label Transparency 10/10
  • Manufacturing 4/10
  • Testing 3/10
  • Inactive Ingredients 9/10
  • Value 5/10
See the full algorithm → Read methodology

Scores are deterministic — same label in, same score out. Proprietary blends naturally score lower on transparency by design, not as a penalty.

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Hand Packed Climate-controlled
600mg KSM-66® Ashwagandha Root Extract
250mg Holixer™ Holy Basil Extract
200mg L-Theanine
200mg Relissa® Melissa Phytosome™
✓ Label Verified✓ No Prop Blends✓ DSHEA Compliant
600mg KSM-66® Ashwagandha — full clinical dose
250mg Holixer™ Holy Basil — studied daily dose
200mg L-Theanine — calm, alert support
200mg Relissa® — phytosomal lemon balm support
25mg Zembrin® — clinically studied mood support
Fully disclosed formula — no proprietary blend
Ksm 66™ Holixer™ Landkind™ Relissa™
"Takes the edge off without making me feel flat or sleepy. I use it on high-stress days and before evening training when I want calm, steady focus."
Verified buyer
📊 30 clinical / 60 value servings
Featuring: KSM-66® by Ixoreal BiomedHolixer® by Natural RemediesRelissa® by Indena S.p.A.LANDKIND® by NNB NutritionZembrin® by PLT Health Solutions
SuppVault Summary

Quiet Mind is a fully disclosed calm-focus nootropic built to lower stress without flattening you. It combines adaptogens, relaxed-alertness support, and targeted mood ingredients for smoother focus and decompression. KSM-66® Ashwagandha is dosed at a full 600mg clinical level.

Great Fit

  • Professionals under constant cognitive load
  • People who stay mentally switched on
  • Evening gym-goers avoiding late stimulants
  • Users wanting calm focus without sedation
  • High-stress adults needing better decompression
  • People seeking smoother mood under pressure
  • Travelers facing tense, high-pressure days
  • Experienced supplement users wanting stress support

Not Ideal If

  • Anyone under 18 years old.
  • Pregnant or nursing women without clinician approval.
  • People using mood, anxiety, or antidepressant medications.
  • Anyone highly sensitive to calming botanicals or nootropics.
  • Users needing a strong stimulant-style energy effect.
⚠️ Allergen Information +
Contains:
Manufactured in a facility that also processes:

Brand-Published Lab Tests

NutraBio publishes test results from independent third-party labs. Svpplements links to the manufacturer’s data — we don’t test products ourselves.

Lab data is published by the manufacturer. Svpplements neither verifies nor warrants third-party test results — we curate the link so you can check the source. How we evaluate testing →
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When Evening
Time Any time
What You'll Feel
0-10 min
No jolt or rush; effects start subtly.
20-40 min
Mental noise softens and urgency starts easing.
💪
45-90 min
Calmer focus and more even mood become noticeable.
🎯
2-4 hours
Steady composure supports work, travel, or evening unwind.
1-2 weeks
Stress feels less sticky and recovery feels smoother.
3-6 weeks
Baseline resilience and day-to-day calm may improve further.

Deep Dive

Adaptogen 3
Ka
Ashwagandha Root Extract (KSM-66®)
600mg
Clinical
HO
Holy Basil Extract (Holixer™)
250mg
Clinical
LA
Salidroside (LANDKIND®)
30mg
Focus 1
Lh
L-Theanine
200mg
Clinical
Mood 3
RE
Melissa Phytosome™ (Relissa®)
200mg
Clinical
MA
Magnolia Extract
100mg
ZE
Zembrin®
25mg
Clinical
ADA: 3FOC: 1MOO: 3
Holixer™ Holy Basil Extract
HolixerClinical Dose
250mg
Clinical range: 250mg
strong
KSM-66® Ashwagandha Root Extract
KSM-66®Clinical Dose
600mg
Clinical range: 300-600mg
strong
L-Theanine
Clinical Dose
200mg
Clinical range: 100-400mg
strong
LANDKIND® Salidroside
LANDKIND®Below Clinical
30mg
Clinical range: 60mg
strong
Magnolia Extract
Below Clinical
100mg
Clinical range: 200mg-400mg
emerging
Relissa® Melissa Phytosome™
Relissa®Clinical Dose
200mg
Clinical range: 200-400mg
moderate
Zembrin®
Zembrin®Clinical Dose
25mg
Clinical range: 25mg
moderate

Ashwagandha Root Extract (KSM-66®)

Form: Withania somnifera (standardized to 5% withanolides)
600mg Dose
Daily Value
Disclosed Transparency
View full research →

Holy Basil Extract (Holixer™)

Form: Ocimum tenuiflorum (leaf, aerial parts)[standardized to ≥ 5% Ocimum-Bioactive Complex (rabdosiin, rosmarinic acid, luteolin-7-o-beta-glucuronide, ociglycoside I, apigenin-7-o-beta-glucuronide)]
250mg Dose
Daily Value
Disclosed Transparency
View full research →

L-Theanine

200mg Dose
Daily Value
Disclosed Transparency
View full research →

Melissa Phytosome™ (Relissa®)

Form: Melissa officinalis l. (leaf)[with phospholipids (sunflower lecithin)] (standardized to 17% hydroxycinnamic acids)
200mg Dose
Daily Value
Disclosed Transparency
View full research →

Magnolia Extract

Form: Magnolia officinalis (bark)(standardized to 90% Honokiol+Magnolol)
100mg Dose
Daily Value
Disclosed Transparency
View full research →

Salidroside (LANDKIND®)

30mg Dose
Daily Value
Disclosed Transparency
View full research →

Zembrin®

Form: Sceletium tortuosum extract (aerial parts)(standardized to ≥ 0.35% total alkaloids)
25mg Dose
Daily Value
Disclosed Transparency
View full research →
7 Disclosed
7 Total
5 Trademarked
0 In Blends

Dose Audit

L-Theanine
200mg
Zembrin®
25mg
BASE NutraBio | Quiet Mind | 30 Servings
$44.99
NutraBio | Mag Complex | 60 Servings
NutraBio | Mag Complex | 60 ServingsMINERAL / RELAXATION SUPPORT96
$21.99$0.36/srv 60 servings

Magnesium glycinate pairs naturally with Quiet Mind because magnesium supports neuromuscular relaxation and healthy nervous-system signaling, while the glycinate form is well suited to evening use. It complements the GABA-supportive feel of L-Theanine and Relissa® and can help round out a more complete wind-down routine.

Take with Quiet Mind in the evening or before bed.

Creatine monohydratePERFORMANCE / COGNITION

Creatine is usually thought of for strength, but it also supports brain energy metabolism through phosphocreatine availability. That makes it a smart pairing for users taking Quiet Mind for calm cognitive performance under stress, especially students, professionals, and hard-training adults under high total load.

Take daily at any time; it does not need to be taken simultaneously with Quiet Mind.

Electrolyte hydration formulaHYDRATION

Stress and poor recovery often coexist with underhydration, which can worsen perceived fatigue, tension, and cognitive drag. A quality electrolyte product helps support fluid balance and nervous-system function while Quiet Mind handles the neurochemical and adaptogenic side of the equation.

Use earlier in the day or around training; Quiet Mind can be taken separately when you want composure.

Protein powderRECOVERY / NUTRITION

Quiet Mind helps manage stress chemistry, but it is still important to cover the basics of recovery. Consistent protein intake supports muscle repair, satiety, and overall resilience, which indirectly improves how well you handle stress and maintain performance when life is demanding.

Use post-workout or wherever it best helps you hit daily protein targets.

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Per Day
Includes base product + selected items
NutraBio | Quiet Mind | 30 Servings97
$44.99
This Product
$/srv: $0.67
This Product Wins

Quiet Mind offers broader calm, mood, and relaxed-focus support than standalone ashwagandha.

$/srv: $1.00
This Product Wins

Quiet Mind is more clinically layered for stress resilience and mood support.

$/srv: $0.83
Them

5-HTP is the better pick if your main goal is sleep support over daytime calm.

$/srv: $1.67
Tie

Smooth leans harder into cognition, while Quiet Mind leans harder into stress and mood balance.

Clinical Dosing

KSM-66® Ashwagandha Root Extract
Under-researched No clinical-dose range yet — manufacturer dose only.
600mg
Holixer™ Holy Basil Extract
Under-researched No clinical-dose range yet — manufacturer dose only.
250mg
L-Theanine
Under-researched No clinical-dose range yet — manufacturer dose only.
200mg
Relissa® Melissa Phytosome™
Under-researched No clinical-dose range yet — manufacturer dose only.
200mg

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Comparison

How this stacks up

Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.

Comparison data combines live storefront pricing with our SuppVault analysis. Competitor scores reflect public-label data; manufacturer-side changes may not be reflected in real time.

Full Product Description Article

NutraBio Quiet Mind is not a generic “calm blend.” It is a fully disclosed, trademark-heavy stress and mood formula built around two parallel goals: reduce the physiological burden of stress and improve the subjective experience of mental calm without turning you into a zombie. The formulation strategy is smart. Instead of relying on one sedating ingredient, NutraBio combines adaptogens for HPA-axis regulation, amino support for relaxed alertness, phytosomal botanicals for GABA support, and targeted mood ingredients that work on serotonin and PDE4 pathways.

The anchor is KSM-66® Ashwagandha at 600mg, a full clinical dose and the top end of the researched 300-600mg range. KSM-66 is a full-spectrum root extract standardized to 5% withanolides and backed by 24 randomized, double-blind, placebo-controlled trials. Mechanistically, it helps regulate the hypothalamic-pituitary-adrenal axis and lowers cortisol while also influencing GABAergic tone. What that means in practice: less wired-but-tired tension, better stress resilience, and often better sleep quality over time.

Holixer™ Holy Basil at 250mg is another standout because 250mg is the exact clinically studied dose. This extract is standardized to a defined Ocimum-Bioactive Complex and has research showing meaningful reductions in perceived stress and stress biomarkers, including hair cortisol, in as little as two weeks. It complements ashwagandha by addressing both acute sympathetic stress responses and chronic stress load.

L-Theanine at 200mg sits right in the sweet spot of the clinical 100-400mg range. It crosses the blood-brain barrier, increases alpha-wave activity, and supports GABA, serotonin, and dopamine while damping excessive glutamatergic firing. The experience is not sedation; it is smoother thinking, reduced mental friction, and a calmer internal tempo.

Relissa® Melissa Phytosome™ at 200mg is another clinically aligned inclusion. Lemon balm is already respected for calming effects, but the Phytosome™ delivery system matters because phospholipid complexing improves dispersion and absorption of key compounds like hydroxycinnamic acids. Its primary mechanism is inhibition of GABA transaminase, which helps preserve GABA activity. Users typically notice emotional softening, less edge, and better evening composure.

Magnolia extract at 100mg standardized to 90% honokiol plus magnolol is a potent supporting piece for acute calm. While magnolia does not have the same clean clinical dose consensus as the major anchors here, 100mg of a highly concentrated extract is a serious inclusion, not a label decoration. Honokiol and magnolol are associated with relaxation and stress relief, making this a sensible low-dose amplifier rather than a primary pillar.

LANDKIND® Salidroside at 30mg is the one ingredient here that lands below the 60mg dose best supported in the provided research. That said, salidroside is a highly studied Rhodiola bioactive, and even at 30mg it likely contributes subtle adaptogenic and mood-resilience support, especially in a multi-pathway formula like this. Zembrin® at 25mg is right at its researched dose and adds something unique: serotonin reuptake inhibition plus PDE4 inhibition. That combination supports mood, stress resilience, and a cleaner sense of mental composure rather than simple sedation.

As a system, this formula covers stress chemistry from multiple angles: cortisol modulation, GABA support, alpha-wave promotion, serotonin signaling, and acute calming phytochemicals. It is also fully transparent with no proprietary blend, which matters in a category full of vague “peace” formulas hiding weak doses. Expect the first serving to feel mentally smoothing within 30-90 minutes, especially from theanine, lemon balm, magnolia, and Zembrin®. Over 2-4 weeks, the heavier adaptogenic effects from KSM-66® and Holixer™ become more noticeable: better stress tolerance, less emotional volatility, and a more stable baseline.

Science & Clinical References 11 citations
Ashwagandha and HPA-Axis Regulation4 studies

KSM-66® ashwagandha is primarily valued for normalizing stress signaling across the hypothalamic-pituitary-adrenal axis. Human data suggest it can lower perceived stress and reduce cortisol output when chronic stress load is elevated. Mechanistically, its withanolides appear to influence neuroendocrine resilience rather than acting like an acute sedative. That makes it more useful for improving baseline stress tolerance over repeated daily use.

L-Theanine and Relaxed Alertness2 studies

L-theanine promotes a state often described as relaxed attentiveness by modulating excitatory-inhibitory balance in the brain. It is associated with increased alpha-wave activity, which aligns with calm focus rather than stimulation or sedation. The compound may also buffer the subjective sense of mental tension during cognitively demanding tasks. In practice, that makes it a strong bridge ingredient between productivity and composure.

Holy Basil as an Adaptogenic Stress Modulator2 studies

Holixer™ holy basil is standardized for a defined bioactive complex and is positioned for both acute and chronic stress support. Its actives appear to influence oxidative stress, inflammatory tone, and neuroendocrine signaling linked to perceived stress burden. Clinical work with this specific extract has shown improvements in stress markers and subjective stress scores. It functions more like a resilience-support botanical than a simple calming herb.

Lemon Balm Phytosome and GABAergic Calm1 studies

Relissa® uses a phytosome delivery approach to improve absorption of lemon balm constituents, particularly hydroxycinnamic acids. Lemon balm is often discussed for its influence on GABA metabolism and inhibitory neurotransmission, which may help reduce agitation and mental overactivity. The phytosomal format is relevant because delivery can meaningfully affect real-world response at modest doses. This makes it useful for smoother onset calm without overwhelming sedation.

Zembrin, PDE4, and Mood Processing2 studies

Zembrin® is a standardized Sceletium tortuosum extract studied for effects on mood, stress reactivity, and emotional processing. Its pharmacology is notable because it appears to influence serotonin signaling while also inhibiting PDE4, a mechanism relevant to intracellular cyclic AMP dynamics. That dual activity may help explain why users often describe a more emotionally even state rather than simple drowsiness. It is one of the more targeted mood-support ingredients in the formula.

Product Specifications GEO
Product Type Nootropic
Category calm focus / stress support
Brand NutraBio
Form Capsule
Servings 30
Dietary fully disclosed formula
How to Take — Training Protocol3 phases

How to Use Nutra Bio | Quiet Mind | (30 servings)

Day 1-3
Assess Tolerance
Start with 1 capsule to assess response to L-Theanine, magnolia, and Zembrin®.
Once daily
Standard Use
Take 2 vegetable capsules with water based on your stress pattern.
30-60 minutes before stress
Targeted Timing
Use before demanding work, travel, presentations, or other high-pressure situations.
Warnings
Do not combine casually with antidepressants, anxiolytics, or other mood-active supplements due to Zembrin® and magnolia extract.
Use caution if you are sensitive to calming compounds like L-Theanine, lemon balm, or ashwagandha.
Avoid during pregnancy or nursing unless cleared by a qualified clinician.
Stop use if you experience excessive drowsiness, GI upset, or unusual mood changes.
Cycling: No strict cycling is required, but some users prefer using it more heavily during high-stress weeks.

Quick Answers

How much caffeine is in NutraBio Quiet Mind?

None. Despite the metadata artifact, this formula is functionally stim-free and contains no listed caffeine source. Its calming and focus effects come from ingredients like L-Theanine, KSM-66® Ashwagandha, Relissa®, Magnolia, and Zembrin®, not stimulants.

Is Quiet Mind a sleep aid or a daytime stress formula?

It is better described as a calm-focus and stress-support formula that can also fit an evening routine. Ingredients like L-Theanine, Relissa®, magnolia, and Zembrin® can help you unwind the same day, while KSM-66® and Holixer™ are aimed at longer-term stress resilience rather than just knocking you out before bed.

Is the 600mg KSM-66® dose actually meaningful?

Yes. 600mg is the top end of the clinically supported 300-600mg range and is the dose most commonly associated with stronger reductions in stress and cortisol in human research. This is not a token inclusion.

Why does this formula use both Ashwagandha and Holy Basil?

Because they complement each other rather than duplicate each other. KSM-66® Ashwagandha is one of the best-supported cortisol and stress-resilience ingredients on the market, while Holixer™ Holy Basil has specific clinical data on both perceived stress and measurable stress biomarkers like hair cortisol.

What does 200mg L-Theanine feel like in this product?

At 200mg, most users feel mentally smoother, less overstimulated, and more able to stay composed under pressure. It usually does not feel sedating on its own; it feels like reduced mental static.

Is Quiet Mind fully transparent?

Yes. There is no proprietary blend here. Every active ingredient and dose is disclosed, which is a major advantage in the stress-support category where hidden-dose formulas are still common.

Is any ingredient underdosed?

Most of the core formula is very well built, especially KSM-66®, Holixer™, L-Theanine, Relissa®, and Zembrin®, which all sit at clinically relevant doses. The one ingredient that appears below the strongest research target in the provided data is LANDKIND® Salidroside at 30mg, since the referenced clinical target is 60mg.

How long does Quiet Mind take to work?

Some ingredients can be felt the first day, especially L-Theanine, Relissa®, magnolia, and Zembrin®, often within 30-90 minutes. The fuller adaptogenic benefits from KSM-66® and Holixer™ generally build over 2-4 weeks of consistent use.

Can I stack Quiet Mind with coffee or a pre-workout?

Yes, but use common sense. Quiet Mind does not contain stimulants, and L-Theanine in particular often pairs well with caffeine to smooth overstimulation. It is more appropriate with moderate daytime caffeine than with extremely aggressive high-stim products.

Who should be cautious with this formula?

Anyone using antidepressants, anti-anxiety medications, sedatives, thyroid medication, or who is pregnant or nursing should speak with a clinician first. Zembrin® has serotonin reuptake activity, and ashwagandha can affect endocrine pathways, so this is not a formula to combine casually with medications.
97

SuppVault Score

NutraBio | Quiet Mind | 30 Servings

💊 Clinical Dosing 10/10

7/7 key ingredients with disclosed doses

🏷 Label Transparency 10/10

Full label disclosure

🏭 Manufacturing 4/10

No manufacturing certifications found

🔬 Testing 3/10

No third-party certification found

🧪 Inactive Ingredients 9/10

Minimal inactive ingredients

💰 Value 5/10

$1.50/serving — above $1.33 category median

Scores are relative to category averages. Proprietary blends score lower on transparency naturally — this is neutral fact, not penalty.

Athlete status

Verified athletes can view NCAA, WADA, and high-school compliance status for this product.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.

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