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Scored forOutcome alternatives
Source Naturals120 count • 40 servingsAvailable now$19.63$0.49 / serving4.5 · 1,598 ratings3 / day
63−31 pts from leader
#1888 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #1888 for sleep quality
- Evidence fitL-Tryptophan has moderate human evidence for this outcome.
- Dose fitL-Tryptophan at 1.5 g sits below the studied 1000-3000 mg window.
- Price / serving$0.49 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-offsValue for money trails the rest of this listPopularity trails the other picks here
The numbers · Sleep qualityWhat's inside
63
69
73
74
1.5 gBelow rangebelow the studied 1000-3000 mg window
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