All Supplements
Vitamin B3 (Niacin) vs Calcium
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B3 (Niacin)
Calcium
Typical Dosage
14-16 mg daily
800-1000 mg daily
Best Form
Nicotinic acid (niacin)
Calcium Citrate
Key Benefits
5
6
Evidence Rating
★★★★
★★★★
Best Time
With meals to minimise flushing
With meals to enhance absorption; split doses are more effective
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
Calcium Benefits
✓Bone strength and density
✓Teeth health and enamel protection
✓Muscle contraction and function
✓Nerve signal transmission
✓Heart rhythm regulation
✓Blood clotting
Can You Take Both Together?
In most cases, Vitamin B3 (Niacin) and Calcium 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 B3 (Niacin) if your primary goal is: energy production and metabolism. Choose Calcium if your primary goal is: bone strength and density. 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.