All Supplements
Vitamin B2 (Riboflavin) vs Vitamin B3 (Niacin)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B2 (Riboflavin)
Vitamin B3 (Niacin)
Typical Dosage
1.1–1.6 mg daily
14-16 mg daily
Best Form
Riboflavin (free form)
Nicotinic acid (niacin)
Key Benefits
6
5
Evidence Rating
★★★★
★★★★
Best Time
With meals for optimal absorption
With meals to minimise flushing
Vitamin B2 (Riboflavin) Benefits
✓Energy production and metabolism
✓Antioxidant protection
✓Eye health and vision
✓Nervous system support
✓Skin and hair health
✓Migraine prevention
Vitamin B3 (Niacin) Benefits
✓Energy production and metabolism
✓DNA repair and cellular health
✓Cardiovascular health and cholesterol support
✓Brain function and cognitive support
✓Skin health and nervous system function
Can You Take Both Together?
In most cases, Vitamin B2 (Riboflavin) and Vitamin B3 (Niacin) 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 B2 (Riboflavin) if your primary goal is: energy production and metabolism. Choose Vitamin B3 (Niacin) 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.