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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.

70 ingredients reviewed Ranked by clinical evidence

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Top 5 — Ranked by Evidence

Stress and Anxiety Relief

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

Lavender (Lavandula angustifolia)

Lower anxiety ratings in randomized trials

80 mg once a day of oral Silexan® for 6 to 10 weeks (a 160 mg/day arm in one trial); do not swallow ordinary lavender essential oil.

Saffron Extract (Crocus sativus)

Occasional anxiety: self-rated scores improved in pooled trials

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

Kava (Piper methysticum)

Calm and everyday stress support

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

Shoden® (35% Withanolide Glycoside Ashwagandha — Arjuna Natural)

Anxiety and cortisol in adults with high stress

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

📈 Fastest Growing Stress & Anxiety Ingredients

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

Shoden® (35% Withanolide Glycoside Ashwagandha — Arjuna Natural)

Anxiety and cortisol in adults with high stress

60 or 120 mg/day for 60 days (anxiety); 120 mg/day for 6 weeks (sleep); 240 mg/day for 60 days…

Saffron Extract (Crocus sativus)

Occasional anxiety: self-rated scores improved in pooled trials

Mood: 30 mg/day, split into two or three doses (one trial in older adults used 60 mg/day).…

Sensoril® (Ashwagandha Extract — Kerry/Natreon)

Perceived stress scores in stressed adults

125 to 500 mg/day in trials: 125, 250 or 500 mg/day for stress (8 weeks), 500 mg/day for…

🔬 Future Stress & Anxiety Ingredients to Watch

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

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

Stress response in healthy adults

1 billion CFU (1 x 10^9) a day in most trials, for 4 to 8 weeks; the low-mood trial used 10…

Cantaloupe Fruit Powder (SOD B Extramel®)

Helps support a balanced stress response

10 mg/day SOD B Extramel® (≈140 IU SOD) once daily; some protocols up to 40 mg/day.

Zembrin® (Sceletium tortuosum)

Anxiety and stress reduction

8-25 mg/day Zembrin® (cognitive studies use 25 mg/day).

Asera™ (Ashwagandha Root Extract — Vidya Herbs)

Stress and anxiety reduction

160 mg a day for 8 weeks in the maker's unpublished trial. Reviews of generic ashwagandha…

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 (70)

Stress and Anxiety Relief

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

Lavender (Lavandula angustifolia)

Lower anxiety ratings in randomized trials

80 mg once a day of oral Silexan® for 6 to 10 weeks (a 160 mg/day arm in one trial); do not swallow ordinary lavender essential oil.

Saffron Extract (Crocus sativus)

Occasional anxiety: self-rated scores improved in pooled trials

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

Kava (Piper methysticum)

Calm and everyday stress support

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

Shoden® (35% Withanolide Glycoside Ashwagandha — Arjuna Natural)

Anxiety and cortisol in adults with high stress

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

Stress and mood

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

Stress and Cortisol Balance

600 mg/day of root extract, usually 300 mg twice daily, in most trials; a 250 mg/day arm was also tested, and 675 mg/day in the oligospermia trial.

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

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

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

Lower stress scores, in trials of plain ashwagandha

125 mg/day is the manufacturer's dose; cited studies used plain ashwagandha at higher doses, commonly 500 to 600 mg a day.

Gynostemma pentaphyllum (Jiaogulan / Southern Ginseng)

Anxiety in stressed adults: one placebo-controlled trial

200 to 450 mg standardized extract daily, or 3 to 9 g a day of dried herb as tea; the diabetes trial used 6 g a day. Products and doses studied differ, so results may not transfer.

Stress and fatigue reduction

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

Sensoril® (Ashwagandha Extract — Kerry/Natreon)

Perceived stress scores in stressed adults

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

Stress and cortisol modulation

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

Bluenesse® (Lemon Balm Extract — Vital Solutions)

Calm, focused cognition

Around 300 mg per day.

Bacopa Monnieri

Lower anxiety scores in healthy adults

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

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

CBD (Cannabidiol)

Calm under acute stress

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

Ashwa.30™ (Low-Dose Ashwagandha Root Extract — Natural Remedies)

May ease perceived stress at a 30 mg dose

30 mg/day, one capsule, for 28 days (stress trial) or 56 days (endurance trial)

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

Stress response in healthy adults

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

CALMaluma™ (Caralluma fimbriata for Stress)

Anxiety and stress reduction, one trial

Per Saanroo product specification

Ocitum™ (Holy Basil / Tulsi for Stress)

37% reduction in perceived stress (vs 19% placebo)

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

Phellodendron (Huang Bai)

Lower salivary cortisol in moderately stressed adults (Relora blend)

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

Rosemary Extract (Rosmarinus officinalis)

Anxiety scores in adults under daily stress

500 mg dried rosemary or extract twice daily for 1 to 2 months; an extract giving 5 mg

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

Tension and stress scores over a 3 day trial

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

Anxiety and mood scores

RDA 310-420 mg/day; trial doses ran from 248 mg/day to magnesium L-threonate 1 to 2 g/day; the tolerable upper limit for supplemental magnesium is 350 mg/day for adults.

Afobazole (Fabomotizole)

Studied for anxiety symptoms in a Russian comparative trial

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

Asera™ (Ashwagandha)

Stress and anxiety reduction

EverZen™ (Stress and Mental Wellbeing - Nutrition 21)

Cortisol stabilization (stress hormone modulation)

Per Nutrition 21 EverZen product specification

Cognitive performance under stress and sleep deprivation

500 to 2,000 mg a day in typical supplements; military stress and cognition trials used far more, 100 to 150 mg per kilogram of body weight, roughly 8 to 12 grams, under supervision.

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

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

Overall distress and cortisol in healthy volunteers

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

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

Lower waking salivary cortisol over one week

1,520 mg RiaGev twice daily for 7 days in the one trial (2,560 mg D-ribose and 480 mg nicotinamide per day); no dose of RiaGev-FEM has been tested.

AlphaWave® L-Theanine (NutriScience)

Calm without drowsiness

400 mg per day for 28 days in the single published AlphaWave trial. Labels and the generic L-theanine literature more commonly use 100 to 200 mg per day, below the dose tested here.

BacoMind® (Bacopa monnieri Extract — Natural Remedies)

Stress and calm focus

About 300 mg a day for 12 weeks, the dose used in the 2010 BacoMind trial; a different branded extract at the same dose did not improve the cognitive measures it set out to test.

Bacopin® (Bacopa monnieri Extract — Sabinsa)

Anxiolytic / calming nootropic

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

Bifidobacterium longum

Stress response and daily stress (1714 strain)

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

Chamomile (Matricaria chamomilla)

Studied in adults with generalized anxiety disorder

Up to 1,500 mg a day of standardized extract in divided doses in anxiety trials; tea at 1 to 4 cups a day reflects traditional use, not a tested dose.

Cognigrape® (Vitis vinifera Grape Extract — Bionap)

Anxiety rating scale scores in older adults

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

Eleuthero / Siberian Ginseng (Eleutherococcus senticosus)

Adaptogenic Stress Resilience

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

GABACare® (Gamma-Aminobutyric Acid)

Relaxation under stress: a single-dose brain-wave trial

Commonly around 100 to 200 mg per day on product labels. This range reflects what

Hōlistiq™ (Adaptogen + Mushroom Wellness Blend)

Stress resilience and HPA axis normalization

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

Milk Fat Globule Membrane (MFGM)

Stress and anxiety scores in adults

1 g/day of MFGM tablets for 4 to 24 weeks in the Japanese muscle trials (paired with

Phenibut (β-Phenyl-GABA / Noofen)

Prescribed for anxiety in Russia as an anxiolytic drug, not a supplement

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

SOD B Dimpless® (Melon Superoxide Dismutase)

Stress and fatigue

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

BaCognize® (Standardized Bacopa monnieri — Verdure Sciences)

Feelings of calm in older adults (other Bacopa extract)

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

Mexidol (Ethylmethylhydroxypyridine Succinate)

Lower anxiety scores, studied in adults with chronic brain ischemia

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

SalidroPure™ (Pure Salidroside)

Stress hormone regulation

No human trial has tested the 3 to 5 mg label dose; trials of pure salidroside used 60 mg/day or 600 mg/day.

Calming effect (preliminary anxiety evidence)

300–600 mg extract 30–60 minutes before bedtime

May Promote Subjective Relaxation

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

Stress and anxiety

200 mg/day in the 4-week healthy-adult trial; 400 mg/day in the stress and sleep trials; 450 to 900 mg/day in the anxiety trial, which was negative. No cited trial combined l-theanine with caffeine.

Safr'Inside™ (Saffron Extract — Activ'Inside)

Lower perceived stress alongside better sleep

30 mg/day, as 15 mg twice daily or one 30 mg dose 30 to 60 minutes before bed; 20

Honokiol (Magnolia officinalis Bark)

Lower anxiety scores in a small pilot of healthy women (two-herb blend)

No human trial has established a dose for purified honokiol. The studies used Relora, a magnolia plus phellodendron blend, at roughly 250 mg two to three times daily.

Generalized anxiety disorder vs medazepam (pivotal)

No studied dose can be given; the cited trial's abstract states neither dose nor route. The only approved use is in Russia, as an intranasal prescription spray, and no oral dose is supported here.

Phosphatidylserine

Cortisol response to exercise and stress

100-300 mg/day for cognition, with cited trials using 300 mg/day; the exercise trials

Shatavari (Asparagus racemosus / Xeya®)

Lower perceived stress scores

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

Alpha-Lactalbumin

Mood and cortisol under lab stress in stress-prone adults

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

B-Complex (Combined B Vitamins)

Stress and Mood Support

Varies by product, from about 1x the RDA of each B vitamin to high-potency products at several times the RDA. Cited trials used high-dose B-complex or amounts like 100 mg B1 plus 100 mg B2.

Bromantane (Ladasten)

Stimulant and calming effects reported together in Russian patient trials

50 to 100 mg a day for 28 days in the 728-patient Russian study; the Russian Ladasten label gives 50 to 100 mg per dose, 100 to 200 mg a day.

Holy Basil (Tulsi)

Stress and anxiety symptom relief

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

MonaJuventa™ Nu

Stress and sleep support

100 mg/day for 12 weeks

Reishi Mushroom

Stress adaptation and sleep

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

Stress and anxiety reduction

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

Eurycomanone (Tongkat Ali Quassinoid)

Lower cortisol and tension in stressed adults (whole tongkat ali extract)

Eurycoma longifolia extract 200 mg a day in the cited research (6 months in the

Stress and anxiety: only tested combined with arginine

Commonly sold at 500 to 3,000 mg a day. Cold-sore users typically take 1,000 to 3,000 mg a day, but the review cited found no evidence lysine prevents cold sores.

Magnolia Bark (Hou Po / Magnolia officinalis)

Short-Term Anxiety: One Small Pilot Trial of a Two-Herb Combination

Products commonly supply 200-800 mg/day of standardized extract, but the only cited human study used a combined magnolia and phellodendron extract (750 mg/day), not magnolia bark alone.

Picamilon (N-Nicotinoyl-GABA)

Anxiety with mild stimulating profile (Russian indication)

50 mg 3×/day (150 mg/day), with wider ranges of 100 to 300 mg/day from Russian prescribing practice. No dose of picamilon has been tested against placebo for anxiety.

Aniracetam (Ro 13-5057)

Anxiolytic effects (animal studies; only anecdotal human reports)

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

Apigenius® (Apigenin)

Relaxation and sleep

Commonly around 50 mg per day, often before bed.

Serenzo® (Sweet Orange Extract for Stress — Nexira)

Around 500 mg per day.