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Why this ranks #5 for night awakenings
- Evidence fitEvidence is still thin for L-Serine.
- Dose fitL-Serine at 4.2 g is higher than the studied 3-3 g window.
- Price / serving$0.58 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.
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