All Supplements
Vitamin K2 (MK-7) vs Melatonin
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
Melatonin
Typical Dosage
100-200mcg MK-7 daily
0.5–5 mg
Best Form
MK-7 (Menaquinone-7)
Immediate release tablet
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
30–60 minutes before bedtime
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
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 K2 (MK-7) 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 K2 (MK-7) if your primary goal is: bone mineralisation. 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.