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Top Picks — Stress & Anxiety

🧘 Best Stress & Anxiety Supplements

Adaptogens, GABAergic botanicals, and clinically-validated cortisol-reducing ingredients for daily stress management and anxiety relief.

78 ingredients reviewed Ranked by clinical evidence

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Top 5 — Ranked by Evidence

Stress, anxiety, and mood (modest evidence)

RDA 310–420 mg/day; therapeutic 200–400 mg elemental Mg/day. Glycinate/malate for sle

Promotes Relaxation Without Sedation

100–400 mg/day; relaxation: 200 mg; caffeine synergy: 100–200 mg with caffeine; sleep

Stress and Anxiety Relief

KSM-66® root extract: 300-600 mg/day (most stress/sleep trials). Shoden®: 120-240 mg/

Stress and Anxiety Reduction

300–600 mg/day KSM-66® root extract (5% withanolides); 300 mg twice daily or 600 mg o

Saffron Extract (Crocus sativus)

Anxiety and stress reduction

Depression (most-studied): 30 mg/day standardized stigma extract × 6-8 weeks. PMS: 15

📈 Fastest Growing Stress & Anxiety Ingredients

Concentrated branded actives delivering clinical results at lower doses than generic forms.

Shoden® (35% Withanolide Glycoside Ashwagandha)

59% anxiety reduction and 66% cortisol reduction at low dose

60 mg/day (low dose, clinically effective) to 120 mg/day (full dose); dramatically lower than…

Saffron Extract (Crocus sativus)

Mild-to-moderate depression — comparable to standard antidepressants

Depression (most-studied): 30 mg/day standardized stigma extract × 6-8 weeks. PMS: 15-30…

Magtein® (Magnesium L-Threonate)

Brain magnesium elevation — only form crossing the blood-brain barrier

2g/day Magtein® (145 mg elemental magnesium); taken as 1g morning + 1g evening; 6-week minimum…

🔬 Future Stress & Anxiety Ingredients to Watch

Lower current evidence but active research underway — these may become top picks within 2–3 years.

Venetron® (Rafuma / Apocynum venetum Mood & Sleep)

Mood improvement and depression relief

50 mg/day Venetron® (Apocynum venetum standardized extract); clinical dose used in published…

Zensera™ (Stress-Cognitive Ingredient by Givaudan)

Same-day cognitive benefits under stress

Per Zensera™ clinical dosing from Givaudan; single-dose acute benefits confirmed in RCT;…

Zembrin® (Sceletium tortuosum)

Anxiety and stress reduction

8–25 mg/day Zembrin®; anxiety/mood: 8–25 mg/day; cognitive studies use 25 mg/day; effects…

Recommended Stress & Anxiety Products

Heads up: NutraSmarts may earn a commission from purchases made through these links, at no extra cost to you. We curate these picks based on the same evidence we cite throughout the page. Full disclosure.

Real products featuring the best-evidenced stress & anxiety ingredients ranked above — chosen for clinically-studied forms and doses, third-party testing, and value. Match the supplement to your specific need.

Best for chronic generalized anxiety Amazon →

Thorne Ashwagandha (Shoden®)

Shoden® extract — 120 mg, root + leaf

Shoden® extract standardized to 35% withanolide glycosides — the most concentrated ashwagandha form clinically. Best evidence for cortisol reduction and HPA-axis modulation in chronic stress patterns. Effects build over 4-8 weeks of daily use — suitable for ongoing background anxiety, not acute situations. Thorne is the most-trusted clinical brand.

Best for acute situational stress Amazon →

Thorne L-Theanine

Pure L-theanine — 200 mg

L-Theanine takes effect within 30-40 minutes — making it ideal for situational anxiety before public speaking, important meetings, exams, or social events. Promotes alpha brain wave activity for calm focus without sedation or drowsiness. 200 mg matches the clinical trial dose. NSF Certified for Sport (tested for 200+ banned substances).

Best for 'wired but tired' / HPA exhaustion Amazon →

Organics Ocean Magnesium Glycinate (ChelaMax)

Fully-reacted Magnesium Bisglycinate Chelate

Magnesium glycinate is foundational for the 'wired but tired' anxiety pattern — overstimulated nervous system combined with depleted energy reserves. Uses fully-reacted magnesium bisglycinate chelate (most commercial 'glycinate' is actually buffered oxide). Calming without sedation. Best taken daily over several weeks for HPA-axis recovery.

Best for sleep-disrupting anxiety Amazon →

Sports Research Pure Saffron (affron®)

affron® saffron extract — 30 mg

affron® saffron extract has growing clinical evidence specifically for mood + sleep onset when anxiety interferes with falling asleep. Different mechanism than ashwagandha — saffron acts on serotonin and dopamine pathways. The 30 mg dose matches clinical research. Particularly useful for users whose anxiety is most disruptive at night or who experience anxiety-driven insomnia.

All Stress & Anxiety Ingredients (87)

Stress, anxiety, and mood (modest evidence)

RDA 310–420 mg/day; therapeutic 200–400 mg elemental Mg/day. Glycinate/malate for sle

Promotes Relaxation Without Sedation

100–400 mg/day; relaxation: 200 mg; caffeine synergy: 100–200 mg with caffeine; sleep

Stress and Anxiety Relief

KSM-66® root extract: 300-600 mg/day (most stress/sleep trials). Shoden®: 120-240 mg/

Stress and Anxiety Reduction

300–600 mg/day KSM-66® root extract (5% withanolides); 300 mg twice daily or 600 mg o

Saffron Extract (Crocus sativus)

Anxiety and stress reduction

Depression (most-studied): 30 mg/day standardized stigma extract × 6-8 weeks. PMS: 15

Phosphatidylserine

Exercise-induced cortisol attenuation

Cognitive (elderly): 100-300 mg/day. Athletic (cortisol): 600-800 mg/day × 10-15 days

Gynostemma pentaphyllum (Jiaogulan / Southern Ginseng)

Adaptogenic stress modulation

Standardized extract: 200-450 mg twice daily (containing standardized gypenosides). W

Stress and cortisol modulation

Standard dose: 100-400 mg/day standardized root extract. Most clinical trials use 200

BaCognize® (Standardized Bacopa monnieri — Verdure Sciences)

Stress and sleep quality (recent trial)

300 mg/day BaCognize, typically 150 mg twice daily (Kumar 2016 dosing schedule). Some

Bacopa Monnieri

Anxiety and stress reduction without sedation

300–450 mg/day of 55% bacoside-standardized extract; effects require 8–12 weeks of co

Bacopin® (Bacopa monnieri Extract — Sabinsa)

Anxiolytic / calming nootropic

100-300 mg/day Bacopin standardized extract, typically split into 1-2 daily doses wit

Lavender (Lavandula angustifolia)

Generalized anxiety disorder treatment

80 mg/day Silexan® oral lavender oil for anxiety/sleep; aromatherapy: 2–4% lavender e

Magtein® (Magnesium L-Threonate)

Stress and cognitive aging support

2g/day Magtein® (145 mg elemental magnesium); taken as 1g morning + 1g evening; 6-wee

Probiotics (Multi-strain Blends)

Strain-specificity principle in probiotic evidence

1–10 billion CFU/day maintenance; up to 50 billion CFU/day therapeutic

Stress and fatigue reduction

200–600 mg/day standardized extract; taken before meals

Sensoril® (Ashwagandha Extract — Verdure/Natreon)

Stress Reduction

125-500 mg/day Sensoril (research-validated; stress applications often 250 mg/day)

Shoden® (35% Withanolide Glycoside Ashwagandha)

59% anxiety reduction and 66% cortisol reduction at low dose

60 mg/day (low dose, clinically effective) to 120 mg/day (full dose); dramatically lo

St. John's Wort (Hypericum perforatum)

Anxiety and stress reduction

300 mg three times daily (900 mg/day) standardized to 0.3% hypericin; some extracts s

Stress and anxiety reduction

50–200 mg/day; 100–200 mg for relaxation/focus; 50 mg for caffeine stacking

Zenroot® (Low-Dose Bioavailable Ashwagandha Root Extract — OmniActive)

Stress reduction in under 30 days (Bengaluru 2025)

125 mg/day Zenroot (used in both 2025 published trials). The bioavailability advantag

PeakO2® (Adaptogenic Mushroom Blend)

Time to exhaustion and endurance extension

1–4g/day for ongoing use; 4g/day for clinical performance benefits (21-day loading);

Stress and Mood Improvement

200–400 mg/day standardized extract (ginsenosides ≥4–7%); American ginseng: 100–200 m

CBD (Cannabidiol)

Anxiety and Stress Relief

15–300 mg/day depending on application; anxiety: 25–75 mg/day; sleep: 25–50 mg/day; s

Shatavari (Asparagus racemosus / Xeya®)

Stress and HPA axis support

500-1,000 mg/day standardized root extract. Lactation: 300 mg twice daily. PCOS (CL22

Alpha-Lactalbumin

Improved mood and reduced cortisol in stress-vulnerable adults

EVENING: 20 g 60-90 min pre-bed. DAYTIME: 20 g stress-vulnerable. EXERCISE: 20-30 g p

Bifidobacterium adolescentis

GABA production and gut-brain anxiolytic potential

SLEEP (SBT2786): 1×10⁹ to 1×10¹⁰ CFU/day × 4+ wk. MOOD/STRESS (PRL2019): 1×10⁹ CFU/da

Bifidobacterium longum

Stress reduction and emotional regulation (psychobiotic effects)

1–10 billion CFU/day; 1714 strain studies use 1 billion CFU/day for psychobiotic effe

Bifidobacterium longum 1714 (Zenflore™ / 1714-Serenitas™)

Subjective stress reduction in healthy adults

Standard dose: 1 billion CFU (1×10⁹) once daily as Zenflore™ or 1714-Serenitas™. Tria

Codonopsis pilosula (Dang Shen / Poor Man's Ginseng)

Chronic fatigue 8-week pilot RCT (Frontiers in Pharmacology 2021)

TCM TYPICAL: 9-15 g/day root decoction. oncology adjunct: oral liquid (approved Chine

Eurycomanone (Tongkat Ali Quassinoid)

Cortisol reduction and stress modulation

Physta® 200-400 mg/day; LJ100® 100-200 mg/day; purified eurycomanone 50-200 mg/day. T

Lactobacillus helveticus R0052 + Bifidobacterium longum R0175 (Probio'Stick® / Cerebiome®)

Stress and anxiety in healthy volunteers

3 billion CFU per sachet daily for 30 days (Probio'Stick® / Cerebiome®). Longer proto

Phellodendron (Huang Bai)

Cortisol reduction in moderately stressed adults (Relora RCT)

RELORA® (Phellodendron + Magnolia): 250 mg × 3/day = 750 mg/day. PHELLODENDRON ALONE

Poria cocos / Wolfiporia cocos (Fu Ling / Hoelen / Tuckahoe)

Insomnia 21-adult polysomnography study (800 mg)

INSOMNIA: 800 mg ethanol extract nightly (21-adult polysomnography study). SLEEP COMB

Sage Extract / Cognivia® (Salvia officinalis)

Mood and reduced anxiety

COGNIVIA®: 600 mg/day (400 mg S. officinalis aqueous + 50 µL S. lavandulaefolia oil).

B-Complex (Combined B Vitamins)

Stress and Mood Support

1× RDA (basic) to 5-10× RDA (high-potency) of each B vitamin; varies by product

Chamomile (Matricaria chamomilla)

Generalized anxiety disorder reduction

270–1,500 mg/day dried flower extract; anxiety: 500 mg–1,500 mg/day standardized extr

Eleuthero / Siberian Ginseng (Eleutherococcus senticosus)

Adaptogenic Stress Resilience

300-1,200 mg/day standardized extract; root powder 1-3 g/day

Holy Basil (Tulsi)

Stress adaptation and cortisol regulation

300–600 mg/day dried leaf extract; 1–2 g/day whole leaf powder

Hops (Humulus lupulus)

Anxiety / Calming Effects

200-500 mg/day standardized extract; commonly combined with 200-600 mg valerian for s

Anxiety reduction

500–3,000 mg/day; herpes suppression: 1,000–3,000 mg/day during outbreaks, 500–1,500

Cognitive performance under stress and sleep deprivation

500–2,000 mg/day; cognitive/stress: 100–150 mg/kg before demanding tasks (military/hi

Lemon Balm (Melissa officinalis)

Anxiety and Stress Reduction

300-600 mg/day standardized extract; tea 1.5-4.5 g dried herb per cup; tincture 2-3 m

Magnesium Glycinate (Bisglycinate)

Sleep Quality and Stress

200–400 mg elemental magnesium/day; for sleep typically 200–300 mg 30–60 min before b

Magnolia Bark (Hou Po / Magnolia officinalis)

Stress and Anxiety Reduction

200-800 mg/day standardized extract (typically 1-2% magnolol + honokiol, or specifica

Ocitum™ (Holy Basil / Tulsi for Stress)

Adaptogenic Stress Response

Per Kemin product specification (typical adaptogenic dose 300-600 mg/day)

Passionflower (Passiflora incarnata)

Generalized Anxiety Disorder (GAD)

300-500 mg/day standardized extract; tea 1-2 g dried herb per cup; tincture 1-4 mL th

Reishi Mushroom

Stress adaptation and sleep

1.5–9 g/day whole mushroom powder; 1–1.5 g/day standardized extract

SalidroPure™ (Pure Salidroside)

Stress hormone regulation

3–5 mg/day pure salidroside (equivalent to ~500 mg 1% standardized Rhodiola extract)

Schisandra Chinensis (Five-Flavor Berry)

Adaptogenic Stress Resilience

500-2,000 mg/day extract (standardized to schisandrin content); berry powder 1-6 g/da

Anxiety reduction

300–600 mg extract 30–60 minutes before bedtime

Zembrin® (Sceletium tortuosum)

Anxiety and stress reduction

8–25 mg/day Zembrin®; anxiety/mood: 8–25 mg/day; cognitive studies use 25 mg/day; eff

Kava (Piper methysticum)

Anxiety and GAD reduction

60–280 mg/day kavalactones; anxiety: 70–280 mg/day; most RCTs use 70–240 mg/day stand

Maplifa® (Adaptogenic Performance Blend — Verdure Sciences)

Adaptogenic Stress Response

Per Verdure product specification

RiaGev-FEM® (Cortisol Reduction for Women — Bioenergy Life Science)

Cortisol-Reducing Activity

Per BLS RiaGev-FEM product specification

Supresa® (Appetite and Crave Control)

Stress-induced snacking reduction

Per Supresa® clinical dosing specifications; PLT Health Solutions product data

Vanizem® (Grains of Paradise Stress + Sleep + Mood)

Fast-acting stress and anxiety relief

Per Vanizem® clinical dosing specifications from PLT Health Solutions; fast-acting fo

Venetron® (Rafuma / Apocynum venetum Mood & Sleep)

Anxiety relief and stress management

50 mg/day Venetron® (Apocynum venetum standardized extract); clinical dose used in pu

Zensera™ (Stress-Cognitive Ingredient by Givaudan)

Same-day cognitive benefits under stress

Per Zensera™ clinical dosing from Givaudan; single-dose acute benefits confirmed in R

May Promote Subjective Relaxation

ACUTE relaxation/sleep onset: 100-200 mg single dose (PharmaGABA® trials). SLEEP QUAL

Phenibut (β-Phenyl-GABA / Noofen)

Anxiolytic effects (Russian regulatory approval)

RUSSIAN APPROVED CLINICAL DOSE: 250-500 mg 3×/day (750-1,500 mg/day total). Half-life

Afobazole (Fabomotizole)

Cardiovascular anxiety

RUSSIAN PHASE III: 30 mg/day (10 mg × 3) × 30 days. CV ANXIETY: 30-60 mg/day × 6 week

Aniracetam (Ro 13-5057)

Mild Alzheimer's disease (Senin 1991 multicenter RCT)

AD RCT: 1500 mg/day × 6 mo. STANDARD: 750-1500 mg/day in 2-3 doses with meals. NOOTRO

Bromantane (Ladasten)

Asthenic disorders / neurasthenia (PIVOTAL 728-patient multicenter trial)

RUSSIAN APPROVED (asthenia): 50-100 mg/day morning × 28 days. NOOTROPIC: 25-50 mg/day

Cognigrape® (Vitis vinifera Grape Extract)

Anxiety symptoms

PIVOTAL: 250 mg/day Cognigrape® × 12 wk single daily dose. 2024 FOLLOW-UP: 250 mg/day

Honokiol (Magnolia officinalis Bark)

Anxiety reduction in premenopausal women

Purified honokiol: 250 mg 1-2 times daily. Relora® (magnolia + phellodendron combinat

Lactium® (Alpha-Casozepine Milk Peptide)

Faster stress recovery in healthy adults

STANDARD: 150-300 mg Lactium®/day (AM/PM split or evening for sleep). 4-WK INSOMNIA R

Mexidol (Ethylmethylhydroxypyridine Succinate)

Hemispheric ischemic stroke (EPICA RCT)

MIR 2024 STROKE PROTOCOL: 500 mg IV 2×/day × 10 days, then Mexidol FORTE 250 mg PO 3×

Pfaffia paniculata / Hebanthe eriantha (Brazilian Ginseng / Suma)

Traditional adaptogenic use

Traditional: 500-1,500 mg root powder daily. Standardized extracts: dose varies by pr

Phenylpiracetam (Phenotropil / Carphedon)

Vascular encephalopathy

RUSSIAN: 100-200 mg/day divided morning + early afternoon. STROKE/TBI: 200-400 mg/day

Generalized anxiety disorder vs medazepam (pivotal)

RUSSIAN APPROVED (intranasal): 2700 μg/day in 2-3 doses. NOOTROPIC: 250-500 μg/dose,

Semax (ACTH 4-7 PGP)

Acute ischemic stroke treatment (Russian regulatory approval)

STROKE (Russian approved): 12-18 mg/day intranasal in 3-6 doses × 10-14 days. NOOTROP

Anxiolytic / Calming Effects

50-100 mg/day common in longevity stacks (Bryan Johnson protocol uses 50 mg/day); cha

L-Phenylalanine / DLPA

Catecholamine Precursor (Mood Support)

L-phenylalanine: 500–1,500 mg/day for mood/cognitive support; DLPA: 375–2,250 mg/day

CALMaluma™ (Caralluma fimbriata for Stress)

Stress and Anxiety Support

Per Saanroo product specification

EverZen™ (Stress and Mental Wellbeing - Nutrition 21)

Stress Management

Per Nutrition 21 EverZen product specification

Hōlistiq™ (Adaptogen + Mushroom Wellness Blend)

Stress resilience and HPA axis normalization

Per product label; typical adaptogen blend 300–800mg/day; mushroom component 500mg–2g

Coluracetam (BCI-540 / MKC-231)

Depression with comorbid anxiety — UNPUBLISHED phase 2 only

BrainCells PHASE IIa: 240 mg/day (80 mg × 3). NOOTROPIC: 5-80 mg per dose, 1-3×/day.

Picamilon (N-Nicotinoyl-GABA)

Anxiety with mild stimulating profile (Russian indication)

RUSSIAN APPROVED: 50 mg 3×/day (150 mg/day). CEREBROVASCULAR: 100-300 mg/day. ANXIETY

BacoMind® (Bacopa monnieri Extract — Natural Remedies)

Memory and learning

About 300 mg per day, typically taken for 8 to 12 weeks for cognitive effects.

SerinAid® (Phosphatidylserine — Chemi Nutra)

Memory and cognition

100 to 300 mg per day; 300 mg/day is common in cognition studies.

AlphaWave® L-Theanine (NutriScience)

Calm without drowsiness

100 to 200 mg per day, taken as needed for calm focus or before sleep.

SOD B Dimpless® (Melon Superoxide Dismutase)

Antioxidant defense

Around 10 mg (about 140 IU of SOD) per day.

Apigenius® (Apigenin)

Relaxation and sleep

Commonly around 50 mg per day, often before bed.

Bluenesse® (Lemon Balm Extract — Vital Solutions)

Calm, focused cognition

Around 300 mg per day.

Serenzo® (Sweet Orange Extract for Stress — Nexira)

Around 500 mg per day.

GABACare® (Gamma-Aminobutyric Acid)

Commonly around 100 to 200 mg per day.

GABARelax® (Gamma-Aminobutyric Acid)

Commonly around 100 to 200 mg per day.