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Scored forOutcome alternatives
Swanson Vitamins9.88 oz • 14 servingsAvailable now$19.49$1.39 / serving4.8 · 65 ratings
74−20 pts from leader
#1129 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #1129 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 4440 mg is higher than the studied 3-5 g window.
- Price / serving$1.39 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustLimited trust signals so far for this listing.
Trade-offsValue for money trails the rest of this listPopularity trails the other picks here
The numbers · Sleep qualityWhat's inside
74
87
83
84
4440 mgAbove rangehigher than the studied 3-5 g window
640 mgBelow rangebelow the studied 3000-3000 mg window
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