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Scored forOutcome alternatives
Zhou Nutrition18 oz • 46 servingsAvailable now$27.53$0.60 / serving4.7 · 1,248 ratings6 / day
68−26 pts from leader
#1645 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #1645 for sleep quality
- Evidence fitGlycine and L-Serine have moderate human evidence for this outcome.
- Dose fit0 of 2 dosed ingredients land in the studied range. Glycine at 2.7 g sits below the studied 3-5 g window.
- Price / serving$0.60 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustSolid trust signals from buyer ratings, with room to grow.
Trade-offsDose fit is the weak spot on this listValue for money trails the rest of this list
The numbers · Sleep qualityWhat's inside
68
75
44
77
2.7 gBelow rangebelow the studied 3-5 g window
0.4 gBelow rangebelow the studied 3000-3000 mg window
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