THORNE Vitamin K - Vitamins K1 and K2 (as MK-4 and MK-7) - 60 Capsules

What Makes THORNE Vitamin K Unique?

Most vitamin K supplements contain only one form. THORNE combines three: K1 (phylloquinone) derived from leafy greens, and two forms of K2 – menaquinone-4 (MK-4) and menaquinone-7 (MK-7). Each form serves distinct roles in the body. K1 is primarily involved in normal blood clotting, whilst K2 helps direct calcium to bones and teeth and away from soft tissues. MK-4 has a short half-life and is found in animal products, whereas MK-7 from natto provides sustained activity. By including all three, THORNE offers broad-spectrum support.

Key Benefits of Vitamin K

• Bone Health: Vitamin K contributes to the maintenance of normal bones by activating osteocalcin, a protein that binds calcium to the bone matrix. This helps maintain bone density and strength, especially when paired with vitamin D and magnesium.*
• Cardiovascular Health: Vitamin K supports arterial flexibility by preventing calcium deposition in blood vessels. This may help maintain normal blood pressure and cardiovascular function.*
• Normal Blood Clotting: Vitamin K contributes to normal blood clotting.*

Who Should Consider Vitamin K Supplementation?

Individuals with limited dietary intake of leafy greens or fermented foods (like natto) may benefit from supplementation. People taking anticoagulant medicines (e.g., warfarin) should consult a doctor before using vitamin K. Older adults, those with osteoporosis risk, and individuals with gastrointestinal conditions that impair fat absorption may also need extra support. Athletes and active individuals can benefit from vitamin K's role in bone remodelling.

Why Choose THORNE Vitamin K?

THORNE Vitamin K delivers three clinically studied forms of this vital nutrient in a single, potent capsule. THORNE is a trusted brand amongst health care practitioners and athletes, and this supplement is third-party certified for purity and potency. Free from gluten, dairy, and soya, it is a clean choice for daily wellness.

How to Choose a Quality Vitamin K Supplement

Look for multiple forms of vitamin K (K1, MK-4, MK-7) for comprehensive coverage. Third-party certification ensures the label matches the content and that contaminants are absent. THORNE's supplement meets these criteria. The formula is free from common allergens and uses clinically studied ingredients. Pairing vitamin K with vitamin D and magnesium enhances calcium utilisation.

Safety and Quality Considerations

THORNE Vitamin K is manufactured in a GMP-certified facility and undergoes rigorous third-party testing. Each batch is verified for potency and purity. The recommended dosage is one capsule daily with food (as vitamin K is fat-soluble). Side effects are rare but may include an upset stomach if taken on an empty stomach. Always consult a health care professional before starting any new supplement, especially if you are on medication or have a medical condition.

*These statements have not been evaluated by the Medicines and Health care products Regulatory Agency (MHRA). This product is not intended to diagnose, treat, , or prevent any disease.