Category
Rankings and research on sleep supplements, sleep tech, and the science of better rest.
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Sleep
Sleep supplements are a loosely regulated market where marketing routinely outruns the evidence, and effects are almost always smaller than sleep-hygiene fundamentals or treating an underlying disorder. For this 2026 ranking we scored five widely searched products against a five-criterion methodology, weighting Safety 30% and Evidence 30% most heavily, then Cost & Value 20%, Transparency 10%, and Support 10%.
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The budget benchmark of this ranking, and one Firsthand earns no commission on. Cheap, single-ingredient, and USP verified, with the standard caveat that melatonin helps circadian problems far more than routine insomnia.
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A single-ingredient chelated magnesium at an honest dose and price. It carries the strongest human sleep evidence of the non-melatonin picks, but that evidence is concentrated in older and deficient adults, and the brand pushes auto-ship at checkout.
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A no-frills, single-ingredient glycine powder that hits the exact 3 g dose used in the sleep studies for about $0.11 a serving. The evidence base is small but mechanistically interesting, and it is one of two picks here we earn nothing on.
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A cleanly dosed 200 mg Suntheanine L-theanine softgel that is third-party tested and non-sedating. It targets the anxious, wired-before-bed state rather than sleep directly, and the supporting sleep evidence is a single small RCT.
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A popular, palatable combination gummy with disclosed melatonin and L-theanine doses but token botanical amounts. It is the priciest and least evidence-backed pick, and gummies are the format most prone to dose inaccuracy.
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Sleep
Placeholder body. Full ranked analysis of sleep supplements — melatonin, magnesium glycinate, L-theanine, and newer formulations — arrives in a later step.