All Supplements
Magnesium vs Vitamin B12
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Magnesium
Vitamin B12
Typical Dosage
200-400mg elemental magnesium daily
500-1,000mcg daily
Best Form
Magnesium Glycinate
Methylcobalamin
Key Benefits
5
5
Evidence Rating
★★★★★
★★★★
Best Time
Evening for sleep benefits, split doses for absorption
Morning — may be energising
Magnesium Benefits
✓Sleep quality improvement
✓Muscle relaxation and cramp prevention
✓Stress and anxiety reduction
✓Blood pressure regulation
✓Energy production
Vitamin B12 Benefits
✓Energy production
✓Nerve function and protection
✓Red blood cell formation
✓DNA synthesis
✓May reduce homocysteine levels
Can You Take Both Together?
In most cases, Magnesium and Vitamin B12 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 B12 if your primary goal is: energy production. 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.