All Supplements
Melatonin vs Vitamin B12
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Melatonin
Vitamin B12
Typical Dosage
0.5–5 mg
500-1,000mcg daily
Best Form
Immediate release tablet
Methylcobalamin
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
30–60 minutes before bedtime
Morning — may be energising
Melatonin Benefits
✓Improved sleep onset and quality
✓Jet lag reduction
✓Circadian rhythm regulation
✓Antioxidant protection
✓Shift work sleep disorder management
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, Melatonin 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 Melatonin if your primary goal is: improved sleep onset and quality. 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.