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  3. Melatonin vs Theanine

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.
564 products
analyzed in our comprehensive supplement database
Source: MoodStack Database (2026)

Side-by-Side Comparison

FeatureMelatoninTheanine
Typeotheramino_acid
Common Dosage0.5-5 mg before bed200 mg
Best BioavailabilityMelatonin (15%)L-Theanine (90%)
Categories14
Available Products00

Melatonin

Typeother
Common Dosage0.5-5 mg before bed
Best BioavailabilityMelatonin (15%)
Categories1
Available Products0

Theanine

Typeamino_acid
Common Dosage200 mg
Best BioavailabilityL-Theanine (90%)
Categories4
Available Products0

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

Melatonin

Hormone produced by pineal gland that regulates circadian rhythm.

Categories:

Sleep

Common Forms:

  • • Melatonin (15% bioavailability)

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.

Categories:

Fat LossSleepFocus & CognitionStress & Mood

Common Forms:

  • • L-Theanine (90% bioavailability)

Shared Categories

Both Melatonin and Theanine are used for these health goals:

😴Sleep

Products Containing Both Melatonin and Theanine

We found 3 products that combine both supplements:

Transparent Labs Sleep Aid (Sleep & Recover)

Transparent Labs Sleep Aid (Sleep & Recover)

Transparent Labs

$24.99Score: 93/100
Elite Sleep

Elite Sleep

Momentous

$44.95Score: 89/100
Gorilla Dream

Gorilla Dream

Gorilla Mind

$34.99Score: 82/100

Frequently Asked Questions

What is the difference between Melatonin and Theanine?

Melatonin and Theanine are both important supplements with distinct properties. Melatonin Hormone produced by pineal gland that regulates circadian rhythm., while 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..

Can I take Melatonin and Theanine together?

Based on our analysis of 3 products that contain both, yes, Melatonin and Theanine can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Melatonin or Theanine?

In our database of 564 products, Melatonin appears in 9 products, while Theanine appears in 26 products.

Related Comparisons & Products

What is Melatonin?What is Theanine?Vitamin B6 vs TheanineTheanine vs ValerianGinseng vs TheanineTransparent Labs Sleep Aid (Sleep & Recover) (contains both)Elite Sleep (contains both)Gorilla Dream (contains both)

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.