All Supplements
Vitamin C vs Citrulline
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin C
Citrulline
Typical Dosage
500-1,000mg daily
6-8g per day
Best Form
Ascorbic Acid
L-Citrulline
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
Split doses throughout the day for best absorption
30-60 minutes before exercise or training
Vitamin C Benefits
✓Immune system support
✓Antioxidant protection
✓Collagen synthesis for skin health
✓Iron absorption enhancement
✓May reduce cold duration
Citrulline Benefits
✓Enhanced blood flow and vasodilation
✓Improved exercise performance and endurance
✓Reduced muscle fatigue and soreness
✓Better erectile function
✓Cardiovascular health support
Can You Take Both Together?
In most cases, Vitamin C and Citrulline 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 Vitamin C if your primary goal is: immune system support. Choose Citrulline if your primary goal is: enhanced blood flow and vasodilation. 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.