Vitamin D3 + K2
Vitamin D3 with Vitamin K2 (MK-7)
The most important foundational supplement stack. Vitamin D3 is critical for immune function, bone health, and mood, while K2 directs calcium to bones and away from arteries.
Key Research
Peer-Reviewed Evidence • 3 Citations
Vitamin D supplementation to prevent acute respiratory tract infections: Systematic review and meta-analysis
Martineau AR et al.•BMJ•2017•PMID: 28202713
Key Finding: Vitamin D supplementation reduced respiratory infection risk by 12% overall and 70% in severely deficient individuals.
View on PubMedSynergistic interplay between vitamins D and K for bone and cardiovascular health: A narrative review
van Ballegooijen AJ et al.•Int J Endocrinol•2017•PMID: 29138634
Key Finding: Combined D3+K2 supplementation optimizes calcium metabolism, directing calcium to bones and preventing arterial calcification.
View on PubMedVitamin D and calcium supplementation reduces cancer risk: Results of a randomized trial
Lappe JM et al.•Am J Clin Nutr•2007•PMID: 17556697
Key Finding: Vitamin D3 supplementation (1100 IU/day) reduced all-cancer risk by 60% in postmenopausal women over 4-year follow-up.
View on PubMedCitations sourced from PubMed, Cochrane Library, and peer-reviewed journals. Study findings are summarized for accessibility. Always consult the original publication for full methodology and results.
📊 Evidence by Outcome
D3+K2 synergy is gold standard for bone mineral density. K2 directs calcium to bones.
60 studies • Consistency: High • Effect: Large
Vitamin D is critical for innate and adaptive immunity. Deficiency increases infection risk.
50 studies • Consistency: High • Effect: Large
K2 prevents arterial calcification. D3 supports healthy blood pressure.
25 studies • Consistency: Moderate • Effect: Moderate
👥 Community Insights
D3 levels were critically low. After supplementing, energy and mood dramatically improved.
Community member • Dubai• Verified
📋 Protocol Snapshot
Protocols are for informational purposes only. Always consult a qualified healthcare provider before starting any treatment protocol.
Related Treatments
Medical Disclaimer: The information on this page is for educational purposes only and is not intended as medical advice. Kamura Scores reflect a combination of research evidence, community data, and other factors — they are not clinical recommendations. Research citations are provided for reference; always consult the original publications for complete study details. Consult a qualified healthcare provider before starting, stopping, or modifying any treatment. Individual results may vary.