All Supplements
Magnesium vs Vitamin B3 (Niacin)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Magnesium
Vitamin B3 (Niacin)
Typical Dosage
200-400mg elemental magnesium daily
14-16 mg daily
Best Form
Magnesium Glycinate
Nicotinic acid (niacin)
Key Benefits
5
5
Evidence Rating
★★★★★
★★★★
Best Time
Evening for sleep benefits, split doses for absorption
With meals to minimise flushing
Magnesium Benefits
✓Sleep quality improvement
✓Muscle relaxation and cramp prevention
✓Stress and anxiety reduction
✓Blood pressure regulation
✓Energy production
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, Magnesium 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 Magnesium if your primary goal is: sleep quality improvement. 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.