All Supplements
Vitamin K2 (MK-7) vs Grape Seed Extract
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
Grape Seed Extract
Typical Dosage
100-200mcg MK-7 daily
150–300 mg daily
Best Form
MK-7 (Menaquinone-7)
Standardised extract (95% proanthocyanidins)
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
With meals for optimal absorption
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
Grape Seed Extract Benefits
✓Supports cardiovascular health and blood pressure regulation
✓Provides potent antioxidant protection against free radical damage
✓May improve blood flow and vascular endothelial function
✓Supports collagen integrity and skin health
✓May reduce inflammation and support joint health
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and Grape Seed Extract 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 Grape Seed Extract if your primary goal is: supports cardiovascular health and blood pressure regulation. 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.