All Supplements
Glycine vs Phosphatidylserine
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Glycine
Phosphatidylserine
Typical Dosage
3-5g daily
100-200mg daily
Best Form
Powder
Phosphatidylserine (soy-derived)
Key Benefits
6
5
Evidence Rating
★★★★
★★★
Best Time
Evening for sleep benefits; anytime for general health
With meals for optimal absorption
Glycine Benefits
✓Improves sleep quality and sleep onset
✓Supports collagen formation and joint health
✓Enhances cognitive function and memory
✓Reduces muscle wasting and supports muscle recovery
✓Promotes relaxation and reduces anxiety
✓Supports immune function
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, Glycine 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 Glycine if your primary goal is: improves sleep quality and sleep onset. 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.