All Supplements
L-Theanine vs Phosphatidylserine
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
L-Theanine
Phosphatidylserine
Typical Dosage
100-200mg daily
100-200mg daily
Best Form
L-Theanine (Suntheanine)
Phosphatidylserine (soy-derived)
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With caffeine for focus, or evening for relaxation
With meals for optimal absorption
L-Theanine Benefits
✓Calm focus without sedation
✓Reduces caffeine jitters when combined
✓Promotes alpha brain waves (relaxed alertness)
✓May improve sleep quality
✓Anxiety reduction
Phosphatidylserine Benefits
✓Supports memory and cognitive function
✓May reduce cortisol levels and stress response
✓Promotes healthy brain cell structure
✓May improve attention and focus
✓Supports mood stability
Can You Take Both Together?
In most cases, L-Theanine and Phosphatidylserine 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 Phosphatidylserine if your primary goal is: supports memory and cognitive function. 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.