
Product photo 1 of 2
Scored forOutcome alternatives
Twinlab16 fl oz • 8 servingsAvailable now$22.17$2.77 / serving4.6 · 116 ratings
74−20 pts from leader
#1206 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #1206 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 5106 mg is higher than the studied 3-5 g window.
- Price / serving$2.77 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustMixed trust signals — ratings are positive but the base is limited.
Trade-offsValue for money trails the rest of this listPopularity trails the other picks here
The numbers · Sleep qualityWhat's inside
74
87
90
83
5106 mgAbove rangehigher than the studied 3-5 g window
736 mgBelow rangebelow the studied 3000-3000 mg window
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