The short answer · Sleep quality
Take melatonin, magnesium glycinate & glycine for sleep quality. This is the one to buy.
Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets
4.5· 5,428 ratings· $0.25/serving
Melatonin 5 mg — inside the studied 1-5 mg window
Of 7,083 products scored for Sleep quality, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets ranks #1 with a DoseRank score of 94. Melatonin leads the evidence here, backed by Magnesium Glycinate and Glycine.
The form“Why Melatonin, Magnesium Glycinate & Glycine?”Evidence Strong evidence
Melatonin leads the evidence here, backed by Magnesium Glycinate and Glycine.
- MelatoninThe pick
Strong evidence · 5 mg
Sleep hormone signaling darkness that shifts circadian timing; works at low doses (0.5-1 mg) for jet lag, not as a sedative.
- Magnesium GlycinateThe pick
Moderate evidence · 300 mg
Magnesium chelated to glycine (the bisglycinate chelate); well-absorbed and gentle on digestion, a popular form for relaxation and sleep support.
- GlycineThe pick
Moderate evidence · 250 mg
An amino acid shown to lower core body temperature and improve subjective sleep quality at 3 g before bed.
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Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets ranks #1 for Sleep quality with a DoseRank score of 94. The score blends clinical strength, evidence, dose fit, trust signals and value across 7,083 products scored for this outcome.
Melatonin leads the evidence here, backed by Magnesium Glycinate and Glycine.
3 of 6 dosed ingredients land in the studied range. Melatonin at 5 mg lands inside the studied 1-5 mg window. DoseRank scores this product's dose fit at 80 out of 100.
Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets works out at $0.25 per serving. $0.25 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.14 per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.
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