All Supplements
Vitamin B1 (Thiamine) vs Citrulline
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B1 (Thiamine)
Citrulline
Typical Dosage
1.1-1.2 mg daily for adults
6-8g per day
Best Form
Thiamine Hydrochloride
L-Citrulline
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
With meals to enhance absorption
30-60 minutes before exercise or training
Vitamin B1 (Thiamine) Benefits
✓Energy metabolism support
✓Nervous system health
✓Heart function
✓Cognitive performance
✓Muscle maintenance
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 B1 (Thiamine) 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 B1 (Thiamine) if your primary goal is: energy metabolism 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.