Product photo 1 of 9
Scored forOutcome alternatives
Doctor's Best90 count • 90 servingsAvailable now$17.99$0.20 / serving4.6 · 1,647 ratings10 / day
11−83 pts from leader
#3773 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #3773 for sleep quality
- Evidence fitL-Tryptophan has moderate human evidence for this outcome.
- Dose fitL-Tryptophan at 500 mg sits below the studied 1000-3000 mg window.
- Price / serving$0.20 per serving — mid 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
11
12
4
48
500 mgBelow rangebelow the studied 1000-3000 mg window
Retailer links may be affiliate links. Rankings and placement are not paid placement.
