All Supplements
Vitamin K2 (MK-7) vs Marine Collagen
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
Marine Collagen
Typical Dosage
100-200mcg MK-7 daily
2.5-10g daily
Best Form
MK-7 (Menaquinone-7)
Hydrolysed marine collagen peptides
Key Benefits
5
5
Evidence Rating
★★★★
★★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
Morning with vitamin C-rich food or supplement to enhance collagen synthesis
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
Marine Collagen Benefits
✓Supports skin elasticity and hydration
✓Promotes joint and cartilage health
✓Strengthens hair and nails
✓Supports bone density and structure
✓May improve gut lining integrity
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and Marine Collagen 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 Marine Collagen if your primary goal is: supports skin elasticity and hydration. 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.