All Supplements
Quercetin vs Vitamin B3 (Niacin)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Quercetin
Vitamin B3 (Niacin)
Typical Dosage
500–1000 mg daily in divided doses
14-16 mg daily
Best Form
Quercetin dihydrate
Nicotinic acid (niacin)
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
With meals to enhance absorption; split doses throughout the day
With meals to minimise flushing
Quercetin Benefits
✓Antioxidant and anti-inflammatory support
✓Allergy and histamine response management
✓Cardiovascular health promotion
✓Athletic performance and endurance
✓Immune system support
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, Quercetin 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 Quercetin if your primary goal is: antioxidant and anti-inflammatory support. 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.