Top 5 — Ranked by Evidence
Very Strong
Magnesium
Sleep onset latency in older adults
RDA 310–420 mg/day; therapeutic 200–400 mg elemental Mg/day. Glycinate/malate for sle
Very Strong
Melatonin
Sleep onset latency — modest effect in adults
Sleep onset: 0.3–1 mg, 30–60 min before bed. Harder cases: up to 4 mg, 3 hours pre-be
Strong
L-Theanine
Enhances Sleep Quality
100–400 mg/day; relaxation: 200 mg; caffeine synergy: 100–200 mg with caffeine; sleep
Strong
Ashwagandha
Improved Sleep
KSM-66® root extract: 300-600 mg/day (most stress/sleep trials). Shoden®: 120-240 mg/
Strong
KSM-66®
Improved Sleep Quality
300–600 mg/day KSM-66® root extract (5% withanolides); 300 mg twice daily or 600 mg o
📈 Fastest Growing Sleep Health Ingredients
Branded forms with proprietary clinical data gaining adoption in sleep formulations.
Trending
Strong
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…
Trending
Strong
Tart Cherry Extract
Post-exercise muscle recovery and reduced soreness
Exercise recovery: 480 mg standardized extract or 8-12 oz tart cherry juice 1-2 times daily…
Trending
Strong
PEA — Palmitoylethanolamide
Neuropathic pain relief (substantial evidence)
Standard dose: 300-1,200 mg/day PEA. Most clinical trials use 600 mg twice daily (1,200 mg…
🔬 Future Sleep Health Ingredients to Watch
Lower current evidence but active research underway — these may become top picks within 2–3 years.
Watch
Moderate
Venetron® (Rafuma / Apocynum venetum Mood & Sleep)
Mood improvement and depression relief
50 mg/day Venetron® (Apocynum venetum standardized extract); clinical dose used in published…
Watch
Moderate
Vanizem® (Grains of Paradise Stress + Sleep + Mood)
Fast-acting stress and anxiety relief
Per Vanizem® clinical dosing specifications from PLT Health Solutions; fast-acting formulation…
Watch
Moderate
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/day. GUT:…
All Sleep Health Ingredients (48)
Very Strong
Magnesium
Sleep onset latency in older adults
RDA 310–420 mg/day; therapeutic 200–400 mg elemental Mg/day. Glycinate/malate for sle
Very Strong
Melatonin
Sleep onset latency — modest effect in adults
Sleep onset: 0.3–1 mg, 30–60 min before bed. Harder cases: up to 4 mg, 3 hours pre-be
Strong
L-Theanine
Enhances Sleep Quality
100–400 mg/day; relaxation: 200 mg; caffeine synergy: 100–200 mg with caffeine; sleep
Strong
Ashwagandha
Improved Sleep
KSM-66® root extract: 300-600 mg/day (most stress/sleep trials). Shoden®: 120-240 mg/
Strong
KSM-66®
Improved Sleep Quality
300–600 mg/day KSM-66® root extract (5% withanolides); 300 mg twice daily or 600 mg o
Strong
Saffron Extract (Crocus sativus)
Premenstrual syndrome
Depression (most-studied): 30 mg/day standardized stigma extract × 6-8 weeks. PMS: 15
Strong
Phosphatidylserine
Age-related memory complaints — modest benefit
Cognitive (elderly): 100-300 mg/day. Athletic (cortisol): 600-800 mg/day × 10-15 days
Strong
Casein Protein
Sustained amino acid delivery
PRE-SLEEP: 20-40 g casein 30 min before sleep (Res 2012: 40 g intrinsically labeled).
Strong
Levagen+® (PEA — Palmitoylethanolamide — Gencor)
Sleep quality improvement
Standard dose: 300-600 mg/day Levagen+® — substantially lower than typical PEA protoc
Strong
PEA — Palmitoylethanolamide
Neuropathic pain relief (substantial evidence)
Standard dose: 300-1,200 mg/day PEA. Most clinical trials use 600 mg twice daily (1,2
Strong
Tart Cherry Extract
Sleep quality improvement
Exercise recovery: 480 mg standardized extract or 8-12 oz tart cherry juice 1-2 times
Strong
Lavender (Lavandula angustifolia)
Sleep quality improvement
80 mg/day Silexan® oral lavender oil for anxiety/sleep; aromatherapy: 2–4% lavender e
Strong
Magtein® (Magnesium L-Threonate)
Sleep quality and parasympathetic nervous system support
2g/day Magtein® (145 mg elemental magnesium); taken as 1g morning + 1g evening; 6-wee
Strong
Sensoril® (Ashwagandha Extract — Verdure/Natreon)
Sleep Quality Improvement
125-500 mg/day Sensoril (research-validated; stress applications often 250 mg/day)
Strong
Shoden® (35% Withanolide Glycoside Ashwagandha)
Sleep quality improvement
60 mg/day (low dose, clinically effective) to 120 mg/day (full dose); dramatically lo
Strong
Suntheanine®
Sleep quality improvement
50–200 mg/day; 100–200 mg for relaxation/focus; 50 mg for caffeine stacking
Strong
Zenroot® (Low-Dose Bioavailable Ashwagandha Root Extract — OmniActive)
Sleep quality improvement (12-week trial)
125 mg/day Zenroot (used in both 2025 published trials). The bioavailability advantag
Moderate
Glycine
Improved Sleep Quality
3–5 g/day for sleep quality; metabolic/detox: 5–10 g/day; collagen support: 3–5 g/day
Moderate
5-HTP (5-hydroxytryptophan)
Sleep Improvement
TYPICAL: 50-300 mg/day. DEPRESSION: 100-600 mg/day. SLEEP: 100-300 mg bedtime. FIBROM
Moderate
CBD (Cannabidiol)
Improved Sleep
15–300 mg/day depending on application; anxiety: 25–75 mg/day; sleep: 25–50 mg/day; s
Moderate
Alpha-Lactalbumin
Sleep quality improvement
EVENING: 20 g 60-90 min pre-bed. DAYTIME: 20 g stress-vulnerable. EXERCISE: 20-30 g p
Moderate
Bifidobacterium adolescentis
Sleep duration improvement (especially in stressed individuals)
SLEEP (SBT2786): 1×10⁹ to 1×10¹⁰ CFU/day × 4+ wk. MOOD/STRESS (PRL2019): 1×10⁹ CFU/da
Moderate
Bifidobacterium longum 1714 (Zenflore™ / 1714-Serenitas™)
Sleep quality support
Standard dose: 1 billion CFU (1×10⁹) once daily as Zenflore™ or 1714-Serenitas™. Tria
Moderate
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
Moderate
Chamomile (Matricaria chamomilla)
Sleep quality and insomnia improvement
270–1,500 mg/day dried flower extract; anxiety: 500 mg–1,500 mg/day standardized extr
Moderate
DailyZz™ (Spearmint + Green Tea Sleep Nootropic)
Sleep Quality Improvement
Per Kemin product specification
Moderate
Hops (Humulus lupulus)
Sleep Onset and Quality (with Valerian)
200-500 mg/day standardized extract; commonly combined with 200-600 mg valerian for s
Moderate
L-Ornithine
Sleep quality improvement
2–6 g/day; fatigue reduction: 2 g before exercise; sleep: 400 mg before bedtime; live
Moderate
L-Tryptophan
Sleep onset and quality improvement
500–5,000 mg/day; sleep: 1,000–5,000 mg at bedtime; mood/depression: 3,000–6,000 mg/d
Moderate
Lemon Balm (Melissa officinalis)
Sleep Quality and Onset
300-600 mg/day standardized extract; tea 1.5-4.5 g dried herb per cup; tincture 2-3 m
Moderate
Magnesium Glycinate (Bisglycinate)
Sleep Quality and Stress
200–400 mg elemental magnesium/day; for sleep typically 200–300 mg 30–60 min before b
Moderate
Magnolia Bark (Hou Po / Magnolia officinalis)
Sleep Quality (Without Morning Grogginess)
200-800 mg/day standardized extract (typically 1-2% magnolol + honokiol, or specifica
Moderate
Ocitum™ (Holy Basil / Tulsi for Stress)
Sleep Quality (Melatonin-Free)
Per Kemin product specification (typical adaptogenic dose 300-600 mg/day)
Moderate
Passionflower (Passiflora incarnata)
Sleep Quality and Onset
300-500 mg/day standardized extract; tea 1-2 g dried herb per cup; tincture 1-4 mL th
Moderate
Reishi Mushroom
Stress adaptation and sleep
1.5–9 g/day whole mushroom powder; 1–1.5 g/day standardized extract
Moderate
Valerian Root
Sleep onset improvement
300–600 mg extract 30–60 minutes before bedtime
Moderate
ZMA® (Zinc Magnesium Aspartate — Lonza)
Sleep Quality in Athletes
30 mg zinc + 450 mg magnesium + 10.5 mg B6 (per ZMA standard formulation)
Moderate
Zembrin® (Sceletium tortuosum)
Sleep quality improvement
8–25 mg/day Zembrin®; anxiety/mood: 8–25 mg/day; cognitive studies use 25 mg/day; eff
Moderate
Kava (Piper methysticum)
Sleep quality improvement
60–280 mg/day kavalactones; anxiety: 70–280 mg/day; most RCTs use 70–240 mg/day stand
Moderate
Nutricog® (Cognitive Performance + Sleep)
Sleep quality and cognitive restoration
Per Nutricog® clinical dosing from PLT Health Solutions specifications
Moderate
Serezin™
Restorative sleep improvement
300 mg/day; benefits observed within 1 week, peak effects at 4 weeks
Moderate
Vanizem® (Grains of Paradise Stress + Sleep + Mood)
Sleep quality improvement
Per Vanizem® clinical dosing specifications from PLT Health Solutions; fast-acting fo
Moderate
Venetron® (Rafuma / Apocynum venetum Mood & Sleep)
Sleep quality improvement
50 mg/day Venetron® (Apocynum venetum standardized extract); clinical dose used in pu
Limited
GABA
May Improve Subjective Sleep Quality
ACUTE relaxation/sleep onset: 100-200 mg single dose (PharmaGABA® trials). SLEEP QUAL
Limited
Phenibut (β-Phenyl-GABA / Noofen)
Sleep / sedative effects
RUSSIAN APPROVED CLINICAL DOSE: 250-500 mg 3×/day (750-1,500 mg/day total). Half-life
Limited
Honokiol (Magnolia officinalis Bark)
Anxiety reduction in premenopausal women
Purified honokiol: 250 mg 1-2 times daily. Relora® (magnolia + phellodendron combinat
Limited
Lactium® (Alpha-Casozepine Milk Peptide)
Chronic insomnia improvement
STANDARD: 150-300 mg Lactium®/day (AM/PM split or evening for sleep). 4-WK INSOMNIA R
Limited
Magnesium Taurate
Sleep and Anxiety
200–400 mg elemental magnesium/day combined with 500–2,000 mg taurine in the chelate