All Supplements
L-Theanine vs Passionflower
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
L-Theanine
Passionflower
Typical Dosage
100-200mg daily
400-900 mg daily in divided doses
Best Form
L-Theanine (Suntheanine)
Dried herb/tea
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With caffeine for focus, or evening for relaxation
30-60 minutes before bed or as needed for anxiety
L-Theanine Benefits
✓Calm focus without sedation
✓Reduces caffeine jitters when combined
✓Promotes alpha brain waves (relaxed alertness)
✓May improve sleep quality
✓Anxiety reduction
Passionflower Benefits
✓Anxiety reduction
✓Sleep quality improvement
✓Stress relief
✓Nervous system support
✓Mild sedative effects
Can You Take Both Together?
In most cases, L-Theanine and Passionflower can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication.
Which Should You Choose?
Choose L-Theanine if your primary goal is: calm focus without sedation. Choose Passionflower if your primary goal is: anxiety reduction. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.