Best Sleep & Relaxation Supplements

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

California Gold Nutrition L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules
California Gold Nutrition L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules
Product 100 Brand 79
Nutricost L-Theanine, 200 mg, 120 Capsules
Nutricost L-Theanine, 200 mg, 120 Capsules
Product 100 Brand 81
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 100 mg, 60 Veggie Capsules
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 100 mg, 60 Veggie Capsules
Product 100 Brand 79
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 200 mg, 60 Veggie Capsules
California Gold Nutrition L-Theanine, Featuring AlphaWave®, 200 mg, 60 Veggie Capsules
Product 100 Brand 79
Nutricost L-Theanine, 200 mg, 30 Capsules
Nutricost L-Theanine, 200 mg, 30 Capsules
Product 100 Brand 81
Sports Research L-Theanine, 200 mg, 120 Softgels
Sports Research L-Theanine, 200 mg, 120 Softgels
Product 100 Brand 81
Nutricost L-Theanine, 200 mg, 240 Capsules
Nutricost L-Theanine, 200 mg, 240 Capsules
Product 100 Brand 81
Doctor's Best L-Theanine, 150 mg, 90 Veggie Caps
Doctor's Best L-Theanine, 150 mg, 90 Veggie Caps
Product 100 Brand 61
Sports Research L-Theanine, 200 mg, 60 Softgels
Sports Research L-Theanine, 200 mg, 60 Softgels
Product 100 Brand 81
EVLution Nutrition L-Theanine, 200 mg, 60 Veggie Capsules
EVLution Nutrition L-Theanine, 200 mg, 60 Veggie Capsules
Product 100 Brand N/A
Frequently Asked Questions
What is the best sleep & relaxation supplement?

Based on GoodSupp's independent quality analysis of 2520 sleep & relaxation supplements, the top-rated products are: California Gold Nutrition L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules (score: 100/100); Nutricost L-Theanine, 200 mg, 120 Capsules (score: 100/100); California Gold Nutrition L-Theanine, Featuring AlphaWave®, 100 mg, 60 Veggie Capsules (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.

Find the Best Sleep & Relaxation Supplement

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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. 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.