All Supplements
Vitamin B12 vs Melatonin
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B12
Melatonin
Typical Dosage
500-1,000mcg daily
0.5–5 mg
Best Form
Methylcobalamin
Immediate release tablet
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
Morning — may be energising
30–60 minutes before bedtime
Vitamin B12 Benefits
✓Energy production
✓Nerve function and protection
✓Red blood cell formation
✓DNA synthesis
✓May reduce homocysteine levels
Melatonin Benefits
✓Improved sleep onset and quality
✓Jet lag reduction
✓Circadian rhythm regulation
✓Antioxidant protection
✓Shift work sleep disorder management
Can You Take Both Together?
In most cases, Vitamin B12 and Melatonin 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 B12 if your primary goal is: energy production. Choose Melatonin if your primary goal is: improved sleep onset and quality. 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.