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  3. Vitamin B2 vs Theanine

Vitamin B2 vs Theanine

TL;DR

Quick comparison: Vitamin B2 and Theanine have 0 overlapping categories and appear together in 2 products.

  • •Choose Vitamin B2 if: Riboflavin 5-Phosphate, the active vitamin B2 form, supports energy metabolism, ...
  • •Choose Theanine if: L-Theanine promotes relaxation without drowsiness, reduces stress, and improves ...
  • •Take both if: You want comprehensive coverage across 0 shared categories.
564 products
analyzed in our comprehensive supplement database
Source: MoodStack Database (2026)

Side-by-Side Comparison

FeatureVitamin B2Theanine
Typevitaminamino_acid
Common Dosage25mg200 mg
Best BioavailabilityRiboflavin (90%)L-Theanine (90%)
Categories04
Available Products00

Vitamin B2

Typevitamin
Common Dosage25mg
Best BioavailabilityRiboflavin (90%)
Categories0
Available Products0

Theanine

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

Can You Take Both?

Yes, Vitamin B2 and Theanine can typically be taken together. In fact, we found 2 products in our database that contain both supplements, suggesting they complement each other well.

Key Differences

Vitamin B2

Riboflavin 5-Phosphate, the active vitamin B2 form, supports energy metabolism, maintains healthy skin, and protects against oxidative stress. It aids red blood cell production and prevents migraines. Found in dairy, eggs, and supplements.

Categories:

Common Forms:

  • • Riboflavin (90% bioavailability)
  • • Riboflavin 5' Phosphate (80% bioavailability)
  • • Riboflavin 5-Phosphate (80% 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)

Products Containing Both Vitamin B2 and Theanine

We found 2 products that combine both supplements:

Sparkling Energy Drink

Sparkling Energy Drink

Bloom Nutrition

$29.99Score: 70/100
Energy Sticks

Energy Sticks

Bloom Nutrition

$10.49Score: 69/100

Frequently Asked Questions

What is the difference between Vitamin B2 and Theanine?

Vitamin B2 and Theanine are both important supplements with distinct properties. Vitamin B2 Riboflavin 5-Phosphate, the active vitamin B2 form, supports energy metabolism, maintains healthy skin, and protects against oxidative stress. It aids red blood cell production and prevents migraines. Found in dairy, eggs, and supplements., 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 Vitamin B2 and Theanine together?

Based on our analysis of 2 products that contain both, yes, Vitamin B2 and Theanine can typically be taken together. However, always consult with a healthcare provider before combining supplements.

Which is more popular: Vitamin B2 or Theanine?

In our database of 564 products, Vitamin B2 appears in 44 products, while Theanine appears in 26 products.

Related Comparisons & Products

What is Vitamin B2?What is Theanine?Vitamin B6 vs Vitamin B2Vitamin B6 vs TheanineZinc vs Vitamin B2Sparkling Energy Drink (contains both)Energy Sticks (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.