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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.

79 ingredients reviewed Ranked by clinical evidence

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Top 5 — Ranked by Evidence

Stress, anxiety, and mood

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.

Bacopa Monnieri

Anxiety and stress reduction without sedation

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

Stress and Anxiety Relief

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

Phellodendron (Huang Bai)

Cortisol reduction in moderately stressed adults (Relora RCT)

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

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.

📈 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, clinically effective) to 120 mg/day (full dose).

Saffron Extract (Crocus sativus)

Anxiety and stress reduction

Depression: 30 mg/day standardized stigma extract. PMS: 15-30 mg/day. AMD: 20 mg/day.

Sensoril® (Ashwagandha Extract — Verdure/Natreon)

Stress Reduction

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

🔬 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™)

Subjective stress reduction in healthy adults

1 billion CFU/day (1x10^9).

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™ (Standardized Ashwagandha — Withanolides + Oligosaccharides)

Stress and anxiety reduction

Manufacturer trial: 160 mg/day for 2 months. Ashwagandha stress trials generally use 250–600…

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 (79)

Stress, anxiety, and mood

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.

Bacopa Monnieri

Anxiety and stress reduction without sedation

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

Stress and Anxiety Relief

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

Phellodendron (Huang Bai)

Cortisol reduction in moderately stressed adults (Relora RCT)

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

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.

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.

Magnesium Glycinate (Bisglycinate)

Sleep Quality and Stress

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

Bacopin® (Bacopa monnieri Extract — Sabinsa)

Anxiolytic / calming nootropic

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

Saffron Extract (Crocus sativus)

Anxiety and stress reduction

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

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

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

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

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

Promotes Relaxation Without Sedation

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.

CBD (Cannabidiol)

Anxiety and Stress Relief

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

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

Asera™ (Ashwagandha)

Stress and anxiety reduction

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

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.

BaCognize® (Standardized Bacopa monnieri — Verdure Sciences)

Anxiolytic effects

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

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.

Phosphatidylserine

Stress and mood — limited evidence

100-300 mg/day for cognition, with cited trials using 300 mg/day; athletic doses of 600-800 mg/day are widely quoted but not tested in any study cited here.

Stress and fatigue reduction

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

Bluenesse® (Lemon Balm Extract — Vital Solutions)

Calm, focused cognition

Around 300 mg per day.

Stress and Mood Improvement

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

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

Anxiety reduction

300–600 mg extract 30–60 minutes before bedtime

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)

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

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

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 (one trial)

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.

Supresa® (Appetite and Crave Control)

Stress-related overeating mechanism

176.5 mg/day, as 88.25 mg twice daily with meals, the dose in the single 8-week trial. Saffron mood trials use a far lower 28-30 mg/day of a different extract, not evidence for this dose.

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.

Bromantane (Ladasten)

Anxiolytic + stimulant unique combination

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.

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)

Anxiety symptoms

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)

Commonly around 100 to 200 mg per day.

Hōlistiq™ (Adaptogen + Mushroom Wellness Blend)

Stress resilience and HPA axis normalization

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

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

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

Poria plus Ziziphus plus GABA blend, 4-week trial in 70 adults

800 mg a night of a 75 percent ethanol extract, the dose in the one sleep study (21 adults, two weeks, no placebo). Traditional use is 9 to 15 g a day of dried sclerotium; the two are not interchangeable.

Schisandra Chinensis (Five-Flavor Berry)

Adaptogenic Stress Resilience

1,000 mg/day of extract in both muscle-strength trials, within a common commercial range of 500-2,000 mg/day; berry powder 1-6 g/day.

SOD B Dimpless® (Melon Superoxide Dismutase)

Stress and fatigue

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

PeakO2® (Adaptogenic Mushroom Blend)

Immune and stress claims have no cited study behind them

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

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.

Serenzo® (Sweet Orange Extract for Stress — Nexira)

Around 500 mg per day.

May Promote Subjective Relaxation

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

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.

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.

Stress and cortisol modulation

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

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

Venetron® (Rafuma / Apocynum venetum Mood & Sleep)

Calming use is traditional, not tested here

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

Anxiolytic / Calming Effects

No human trial has established a dose for apigenin; supplements are commonly sold at 50-100 mg per day, a range from internet longevity protocols, not clinical testing.

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.

SerinAid® (Phosphatidylserine — Chemi Nutra)

Stress and cortisol (not measured in the cited study)

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

Zensera™ (Stress-Cognitive Ingredient by Givaudan)

Calmness: the outcome the trial was built around, and missed

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

Shatavari (Asparagus racemosus / Xeya®)

Stress and HPA axis support

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

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.

Eurycomanone (Tongkat Ali Quassinoid)

Cortisol and stress: not measured in the cited research

Eurycoma longifolia extract 200 mg a day for 6 months in the only cited research; no dose of purified eurycomanone has been tested.

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

Traditional use for tiredness, with no human trial of Codonopsis alone

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

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×

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

Phenylpiracetam (Phenotropil / Carphedon)

Studied only in stroke patients, not in healthy people

No dose has been established for healthy people; the cited studies were in stroke patients under supervision, and the 100 to 200 mg a day figures online come from user communities, not trials.