All Supplements
Vitamin B1 (Thiamine) vs Vitamin B2 (Riboflavin)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B1 (Thiamine)
Vitamin B2 (Riboflavin)
Typical Dosage
1.1-1.2 mg daily for adults
1.1–1.6 mg daily
Best Form
Thiamine Hydrochloride
Riboflavin (free form)
Key Benefits
5
6
Evidence Rating
★★★★
★★★★
Best Time
With meals to enhance absorption
With meals for optimal absorption
Vitamin B1 (Thiamine) Benefits
✓Energy metabolism support
✓Nervous system health
✓Heart function
✓Cognitive performance
✓Muscle maintenance
Vitamin B2 (Riboflavin) Benefits
✓Energy production and metabolism
✓Antioxidant protection
✓Eye health and vision
✓Nervous system support
✓Skin and hair health
✓Migraine prevention
Can You Take Both Together?
In most cases, Vitamin B1 (Thiamine) and Vitamin B2 (Riboflavin) 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 Vitamin B2 (Riboflavin) if your primary goal is: energy production and metabolism. 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.