All Supplements
Vitamin K2 (MK-7) vs L-Arginine
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
L-Arginine
Typical Dosage
100-200mcg MK-7 daily
2-3g per day
Best Form
MK-7 (Menaquinone-7)
L-Arginine HCl
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
30-60 minutes before exercise or with meals
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
L-Arginine Benefits
✓Enhanced blood flow and circulation
✓Cardiovascular health support
✓Improved exercise performance
✓Wound healing and tissue repair
✓Immune system support
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and L-Arginine 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 L-Arginine if your primary goal is: enhanced blood flow and circulation. 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.