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Scored forOutcome alternatives
California Gold Nutrition60 count • 60 servingsAvailable now$80.13$1.34 / serving4.5 · 12,713 ratings3 / day
55−39 pts from leader
#2090 of 7239 ranked for sleep qualityLeader · Source Naturals, Source Naturals, Sleep Science®, NightRest™ With Melatonin, 100 Tablets — 94
Why this ranks #2090 for sleep quality
- Evidence fitL-Serine has moderate human evidence for this outcome.
- Dose fitL-Serine at 4.2 g sits below the studied 3000-3000 mg window.
- Price / serving$1.34 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
Trade-offsValue for money trails the rest of this listPopularity trails the other picks here
The numbers · Sleep qualityWhat's inside
55
63
92
71
4.2 gBelow rangebelow the studied 3000-3000 mg window
Thin evidenceevidence for this ingredient is still thin
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