Supplements for Sleep
5 supplements with research evidence for Sleep
What the Research Shows
L-theanine has the strongest evidence among the listed supplements, with systematic reviews and meta-analyses suggesting it can improve sleep outcomes and quality. Other supplements, including Ashwagandha, chamomile, lavender, and tryptophan, are supported by moderate levels of evidence regarding their impact on sleep. Research indicates that Ashwagandha extract can improve sleep quality in healthy adults. Similarly, chamomile, used through aromatherapy or oral extracts, has shown potential to improve sleep quality and manage insomnia. Lavender also has moderate evidence for helping with insomnia symptoms, particularly in postmenopausal women and chemotherapy patients. Finally, tryptophan, especially when combined with ingredients like mulberry leaf extract, has demonstrated potential for improving sleep initiation and quality.
AI-generated overview based on research evidence. Not medical advice.
Evidence-Backed Supplements
Supplements ranked by evidence strength: strong = Tier-A meta-analyses/guidelines, moderate = Tier-B RCTs/systematic reviews, weak = Tier-C observational.
| Supplement | Evidence Strength | Research Sources | Products on Market |
|---|---|---|---|
| L Theanine Best products → | strong | 0 | 408 |
| Ashwagandha Best products → | moderate | 0 | 640 |
| Chamomile Best products → | moderate | 0 | 178 |
| Lavender Best products → | moderate | 0 | 94 |
| Tryptophan Best products → | moderate | 0 | 80 |
This page is generated from AI-analyzed evidence summaries. Evidence strength ratings are based on the quality and quantity of available research, not guaranteed effectiveness. Always consult a healthcare provider before using supplements for any health condition.
See our Editorial Policy for methodology and Medical Disclaimer.
Frequently Asked Questions
What supplements have the strongest evidence for Sleep?
L Theanine (0 research sources).
How many supplements have been studied for Sleep?
5 supplements have been researched in connection with Sleep, with varying levels of evidence strength. See the table above for details on each supplement's evidence rating and number of research sources.
Should I take supplements for Sleep?
While some supplements show promising research for Sleep, evidence strength varies. Supplements with strong evidence may still have side effects or drug interactions. Always consult a healthcare provider before starting any supplement regimen, especially if you have existing health conditions or take medications.