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Best Sleep & Relaxation Supplements

Top-rated sleep & relaxation supplements ranked by quality score. Last updated: Sep 2026.

Sports Research L-Theanine 200 mg
Sports Research L-Theanine 200 mg
Product 100 Brand 100
Sports Research Double Strength L-Theanine 200 mg
Sports Research Double Strength L-Theanine 200 mg
Product 100 Brand 100
Nature's Way Valerian Root Sleep Aid
Nature's Way Valerian Root Sleep Aid
Product 100 Brand 100
Integrative Therapeutics L-Theanine
Integrative Therapeutics L-Theanine
Product 100 Brand 100
Nutricost L-Theanine 200 mg Unflavored
Nutricost L-Theanine 200 mg Unflavored
Product 100 Brand 100
Nutricost L-Theanine 200 mg
Nutricost L-Theanine 200 mg
Product 100 Brand 100
Natural Factors Valerian Root
Natural Factors Valerian Root
Product 100 Brand 100
Herb Pharm Nervous System Sleep Easier
Herb Pharm Nervous System Sleep Easier
Product 100 Brand 100
Douglas Laboratories L-Theanine
Douglas Laboratories L-Theanine
Product 100 Brand 100
Nutricost L-Theanine 200 mg
Nutricost L-Theanine 200 mg
Product 100 Brand 100
XYMOGEN L-Theanine, 60 Vegetarian Capsules
XYMOGEN L-Theanine, 60 Vegetarian Capsules
Product 100 Brand 100
XYMOGEN L-Theanine, 120 Vegetarian Capsules
XYMOGEN L-Theanine, 120 Vegetarian Capsules
Product 100 Brand 100
Nature's Way L-Theanine 200 mg
Nature's Way L-Theanine 200 mg
Product 100 Brand 100
Nature's Way L-Theanine 100 mg
Nature's Way L-Theanine 100 mg
Product 100 Brand 100
NOW L-Theanine Pure Powder
NOW L-Theanine Pure Powder
Product 100 Brand 100
Natural Factors Stress-Relax Suntheanine L-Theanine 125 mg
Natural Factors Stress-Relax Suntheanine L-Theanine 125 mg
Product 100 Brand 100
Nutricost L-Theanine, Unflavored
Nutricost L-Theanine, Unflavored
Product 100 Brand 100
Nutricost Caffeine With L-Theanine
Nutricost Caffeine With L-Theanine
Product 100 Brand 100
Nutricost Caffeine with L-Theanine
Nutricost Caffeine with L-Theanine
Product 100 Brand 100
Sports Research L-Theanine, 200 mg
Sports Research L-Theanine, 200 mg
Product 100 Brand 100
Nutricost L-Theanine, 200 mg
Nutricost L-Theanine, 200 mg
Product 100 Brand 100
Sports Research L-Theanine, 200 mg
Sports Research L-Theanine, 200 mg
Product 100 Brand 100
Nutricost L-Theanine, 200 mg
Nutricost L-Theanine, 200 mg
Product 100 Brand 100
Nutricost L-Theanine, 200 mg
Nutricost L-Theanine, 200 mg
Product 100 Brand 100
Solaray Valerian, 470 mg
Solaray Valerian, 470 mg
Product 100 Brand 99
Solaray Valerian 470 mg
Solaray Valerian 470 mg
Product 100 Brand 99
Solaray Valerian 470 mg
Solaray Valerian 470 mg
Product 100 Brand 99
BlueBonnet L-Theanine 200 mg
BlueBonnet L-Theanine 200 mg
Product 100 Brand 98
BlueBonnet L-Theanine 200 mg
BlueBonnet L-Theanine 200 mg
Product 100 Brand 98
Nature's Lab L-Theanine 200 mg
Nature's Lab L-Theanine 200 mg
Product 100 Brand 97
Swanson Suntheanine® L-Theanine 200 mg
Swanson Suntheanine® L-Theanine 200 mg
Product 100 Brand 97
Swanson Suntheanine® L-Theanine 100 mg
Swanson Suntheanine® L-Theanine 100 mg
Product 100 Brand 97
Member's Mark Magnesium Glycinate with L-Theanine
Member's Mark Magnesium Glycinate with L-Theanine
Product 100 Brand 96
GNC L-Theanine 200 mg
GNC L-Theanine 200 mg
Product 100 Brand 96
Ortho Molecular Products L-Theanine
Ortho Molecular Products L-Theanine
Product 100 Brand 96
GNC Valerian Root
GNC Valerian Root
Product 100 Brand 96
Nature's Truth L-Theanine 200 mg
Nature's Truth L-Theanine 200 mg
Product 100 Brand 96
NS Natural Stacks Smart Caffeine with L-Theanine
NS Natural Stacks Smart Caffeine with L-Theanine
Product 100 Brand 95
Double Wood Supplements L-Theanine 200 mg
Double Wood Supplements L-Theanine 200 mg
Product 100 Brand 95
Vital Nutrients L-Theanine 200 mg
Vital Nutrients L-Theanine 200 mg
Product 100 Brand 94
Vital Nutrients L-Theanine 200 mg
Vital Nutrients L-Theanine 200 mg
Product 100 Brand 94
Natural Vitality CALM Magnesium Glycinate
Natural Vitality CALM Magnesium Glycinate
Product 100 Brand 93
Natural Vitality Calm Magnesium Glycinate 180ct
Natural Vitality Calm Magnesium Glycinate 180ct
Product 100 Brand 93
DaVinci Laboratories L-Theanine 200 mg
DaVinci Laboratories L-Theanine 200 mg
Product 100 Brand 93
DaVinci Laboratories L-Theanine, 200 mg
DaVinci Laboratories L-Theanine, 200 mg
Product 100 Brand 93
DaVinci Laboratories L-Theanine, 200 mg
DaVinci Laboratories L-Theanine, 200 mg
Product 100 Brand 93
Natural Vitality CALM® Magnesium Glycinate 108 mg
Natural Vitality CALM® Magnesium Glycinate 108 mg
Product 100 Brand 93
Legion Peak Caffeine + L-Theanine
Legion Peak Caffeine + L-Theanine
Product 100 Brand 92
Spoken Sleep Builder - NSF Certified for Sport
Spoken Sleep Builder - NSF Certified for Sport
Product 100 Brand 90
Spoken Sleep Builder Cherry
Spoken Sleep Builder Cherry
Product 100 Brand 90
KAL L-Theanine 100 mg
KAL L-Theanine 100 mg
Product 100 Brand 89
Puritan's Pride L-Theanine 200 mg
Puritan's Pride L-Theanine 200 mg
Product 100 Brand 89
Puritan's Pride Valerian Root Extract
Puritan's Pride Valerian Root Extract
Product 100 Brand 89
Puritan's Pride L-Theanine 200 mg
Puritan's Pride L-Theanine 200 mg
Product 100 Brand 89
Momentous L-Theanine
Momentous L-Theanine
Product 100 Brand 87
Life Extension L-Theanine 100 mg
Life Extension L-Theanine 100 mg
Product 100 Brand 87
Micro Ingredients L-Theanine
Micro Ingredients L-Theanine
Product 100 Brand 86
Revive MD Suntheanine L-Theanine
Revive MD Suntheanine L-Theanine
Product 100 Brand 86
21st Century Valerian Extract
21st Century Valerian Extract
Product 100 Brand 85
Seeking Health L-Theanine 100 mg
Seeking Health L-Theanine 100 mg
Product 100 Brand 84
Seeking Health L-Theanine 100 mg
Seeking Health L-Theanine 100 mg
Product 100 Brand 84
Vitacost L-Theanine from Suntheanine, 100 mg
Vitacost L-Theanine from Suntheanine, 100 mg
Product 100 Brand 84
Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple
Natural Grocers by Vitamin Cottage L-Theanine 100 mg (Pineapple
Product 100 Brand 83
Bulk Supplements Valerian Root Extract
Bulk Supplements Valerian Root Extract
Product 100 Brand 83
Bulk Supplements Valerian Root Extract
Bulk Supplements Valerian Root Extract
Product 100 Brand 83
Bulk Supplements L-Theanine Capsules
Bulk Supplements L-Theanine Capsules
Product 100 Brand 83
The Vitamin Shoppe L-Theanine 100 mg
The Vitamin Shoppe L-Theanine 100 mg
Product 100 Brand 83
Windmill Valerian Root 450 mg
Windmill Valerian Root 450 mg
Product 100 Brand 83
The Vitamin Shoppe L-Theanine 200 mg
The Vitamin Shoppe L-Theanine 200 mg
Product 100 Brand 83
The Vitamin Shoppe L-Theanine 100 mg
The Vitamin Shoppe L-Theanine 100 mg
Product 100 Brand 83
The Vitamin Shoppe L-Theanine 200 mg
The Vitamin Shoppe L-Theanine 200 mg
Product 100 Brand 83
The Vitamin Shoppe L-Theanine 100 mg
The Vitamin Shoppe L-Theanine 100 mg
Product 100 Brand 83
MaryRuth's L-Theanine Liquid Drops, Lemon Lime
MaryRuth's L-Theanine Liquid Drops, Lemon Lime
Product 100 Brand 83
MaryRuth's Organic Valerian Root Liquid Extract
MaryRuth's Organic Valerian Root Liquid Extract
Product 100 Brand 83
Primaforce L-Theanine, 200 mg
Primaforce L-Theanine, 200 mg
Product 100 Brand 82
Pure Encapsulations L-Theanine 200 mg
Pure Encapsulations L-Theanine 200 mg
Product 100 Brand 81
Pure Encapsulations L-Theanine 200 mg
Pure Encapsulations L-Theanine 200 mg
Product 100 Brand 81
California Gold Nutrition Valerian 500 mg
California Gold Nutrition Valerian 500 mg
Product 100 Brand 79
Kion Sleep Honey Lavender Flavored
Kion Sleep Honey Lavender Flavored
Product 100 Brand 79
Natural Stacks Sleep Stack Vegetarian Capsules
Natural Stacks Sleep Stack Vegetarian Capsules
Product 100 Brand 79
Force Factor L-Theanine 200 mg
Force Factor L-Theanine 200 mg
Product 100 Brand 79
California Gold Nutrition L-Theanine 200 mg
California Gold Nutrition L-Theanine 200 mg
Product 100 Brand 79
California Gold Nutrition L-Theanine 100 mg
California Gold Nutrition L-Theanine 100 mg
Product 100 Brand 79
California Gold Nutrition L-Theanine Featuring AlphaWave 100 mg
California Gold Nutrition L-Theanine Featuring AlphaWave 100 mg
Product 100 Brand 79
Piping Rock L-Theanine 200 mg
Piping Rock L-Theanine 200 mg
Product 100 Brand 78
Solgar Valerian Root
Solgar Valerian Root
Product 100 Brand 78
SuperiorLabs L-Theanine
SuperiorLabs L-Theanine
Product 100 Brand 78
Solgar L-Theanine Free Form 150 mg
Solgar L-Theanine Free Form 150 mg
Product 100 Brand 78
tnvitamins L-Theanine 200 mg
tnvitamins L-Theanine 200 mg
Product 100 Brand 77
Source Naturals L-Theanine 200 mg
Source Naturals L-Theanine 200 mg
Product 100 Brand 75
Source Naturals L-Theanine 200 mg
Source Naturals L-Theanine 200 mg
Product 100 Brand 75
Klaire Labs L-Theanine
Klaire Labs L-Theanine
Product 100 Brand 75
Source Naturals L-Theanine Caps, 200 mg
Source Naturals L-Theanine Caps, 200 mg
Product 100 Brand 75
Source Naturals Serene Science®, L-Theanine, 200 mg
Source Naturals Serene Science®, L-Theanine, 200 mg
Product 100 Brand 75
Source Naturals L-Theanine, 200 mg
Source Naturals L-Theanine, 200 mg
Product 100 Brand 75
Best Naturals L-Theanine 200 mg
Best Naturals L-Theanine 200 mg
Product 100 Brand 74
Best Naturals L-Theanine, 200 mg
Best Naturals L-Theanine, 200 mg
Product 100 Brand 74
Healthy Origins L-Theanine 100 mg
Healthy Origins L-Theanine 100 mg
Product 100 Brand 74
Healthy Origins L-Theanine 100 mg
Healthy Origins L-Theanine 100 mg
Product 100 Brand 74
Best Naturals L-Theanine, 200 mg
Best Naturals L-Theanine, 200 mg
Product 100 Brand 74
Frequently Asked Questions
What is the best sleep & relaxation supplement?

Based on GoodSupp's independent quality analysis of 3109 sleep & relaxation supplements, the top-rated products are: Sports Research L-Theanine 200 mg (score: 100/100); Sports Research Double Strength L-Theanine 200 mg (score: 100/100); Nature's Way Valerian Root Sleep Aid (score: 100/100). These rankings are based on ingredient quality, dosage adequacy, bioavailability of ingredient forms, label transparency, inactive ingredient safety, and brand trust scores. Rankings are updated regularly as new products are analyzed and existing formulations change.

How do I choose a good sleep & relaxation supplement?

When choosing a sleep & relaxation supplement, look for these quality indicators: Third-party testing — certifications from NSF, USP, or Informed Sport verify that the product contains what it claims. Bioavailable forms — the specific form of each ingredient affects how well your body absorbs it. Transparent labeling — every ingredient and its exact dose should be clearly listed, not hidden in a proprietary blend. Clean inactive ingredients — check that fillers, binders, and additives are rated safe. Adequate dosing — some products include ingredients at doses too low to be effective. GoodSupp's product scanner evaluates all of these factors automatically and provides a single quality score to make comparison straightforward.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.