Comparison
Melatonin vs Theanine
TL;DR
Quick comparison: Melatonin and Theanine have 1 overlapping categories and appear together in 3 products.
- Choose Melatonin if: Hormone produced by pineal gland that regulates circadian rhythm....
- Choose Theanine if: L-Theanine promotes relaxation without drowsiness, reduces stress, and improves ...
- Take both if: You want comprehensive coverage across 1 shared categories.
565 products
analyzed in our comprehensive supplement database
Source 路 MoodStack Database (2026)
Side-by-side comparison
| Feature | Melatonin | Theanine |
|---|---|---|
| Type | other | amino_acid |
| Common Dosage | 0.5-5 mg before bed | 200 mg |
| Best Bioavailability | Melatonin (15%) | L-Theanine (90%) |
| Categories | 1 | 4 |
| Available Products | 0 | 0 |
Melatonin
Theanine
Can you take both?
Yes, Melatonin and Theanine can typically be taken together. In fact, we found 3 products in our database that contain both supplements, suggesting they complement each other well.
Both supplements share 1 common category, indicating they may work synergistically for similar health goals.
Key differences
Option A
Melatonin
Hormone produced by pineal gland that regulates circadian rhythm.
Categories
Common forms
- Melatonin 路 15% bioavailability
Option B
Theanine
L-Theanine promotes relaxation without drowsiness, reduces stress, and improves focus when paired with caffeine. It supports sleep quality and enhances alpha brain wave activity. Found in green tea and supplements.
Common forms
- L-Theanine 路 90% bioavailability
Shared categories
Both Melatonin and Theanine are used for these health goals:
Products with both Melatonin and Theanine
We found 3 products that combine both supplements:
Frequently asked
What is the difference between Melatonin and Theanine?
Can I take Melatonin and Theanine together?
Which is more popular: Melatonin or Theanine?
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Medical disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any supplement regimen.