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Vitamin K2 (MK-7) vs Vitex (Chasteberry)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
Vitex (Chasteberry)
Typical Dosage
100-200mcg MK-7 daily
400-500 mg daily of standardised extract (0.6% agnuside)
Best Form
MK-7 (Menaquinone-7)
Standardised dry extract
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
Morning with food; consistent daily use recommended for 2-3 menstrual cycles before assessing effectiveness
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
Vitex (Chasteberry) Benefits
✓Reduces premenstrual syndrome (PMS) symptoms including bloating and mood changes
✓Supports regular menstrual cycles and hormonal balance
✓May alleviate breast tenderness and cyclical mastalgia
✓Potentially improves fertility outcomes in women with luteal phase defects
✓Helps regulate progesterone levels in the luteal phase
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and Vitex (Chasteberry) 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 Vitex (Chasteberry) if your primary goal is: reduces premenstrual syndrome (pms) symptoms including bloating and mood changes. 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.