All Supplements
Vitamin K2 (MK-7) vs Bladderwrack
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
Bladderwrack
Typical Dosage
100-200mcg MK-7 daily
500-1500 mg daily
Best Form
MK-7 (Menaquinone-7)
Dried powder
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
With meals to enhance absorption
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
Bladderwrack Benefits
✓May support thyroid function due to iodine content
✓Potential antioxidant and anti-inflammatory properties
✓May aid digestive health through polysaccharide content
✓Could support joint and connective tissue health
✓May help regulate blood sugar levels
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and Bladderwrack 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 Bladderwrack if your primary goal is: may support thyroid function due to iodine content. 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.