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Scored forOutcome alternatives
Source Naturals200 count • 100 servingsAvailable now$14.48$0.14 / serving4.8 · 2,692 ratings3 / day
5−89 pts from leader
#4420 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #4420 for sleep quality
- Evidence fitGlycine has moderate human evidence for this outcome.
- Dose fitGlycine at 1 g sits below the studied 3-5 g window.
- Price / serving$0.14 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
Trade-offsDose fit is the weak spot on this listPopularity trails the other picks here
The numbers · Sleep qualityWhat's inside
5
5
1
39
1 gBelow rangebelow the studied 3-5 g window
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