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VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)
Sponsor: Brigham and Women's Hospital
Summary
Vitamin D supplements are widely promoted for bone health. Both vitamin D and vitamin K are important for deposition of calcium in bone, but little is known about the relationship of vitamin K status and bone health.
Official title: VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone
Key Details
Gender
All
Age Range
50 Years - Any
Study Type
INTERVENTIONAL
Enrollment
25871
Start Date
2019-07-01
Completion Date
2026-12-31
Last Updated
2026-01-30
Healthy Volunteers
No
Conditions
Interventions
Vitamin D3 placebo
Vitamin D placebo
Fish oil placebo
Fish oil placebo
Omega-3 fatty acids (fish oil)
Omacor, 1 capsule per day. Each capsule of Omacor contains 840 milligrams of marine omega-3 fatty acids (465 mg of eicosapentaenoic acid \[EPA\] and 375 mg of docosahexaenoic acid \[DHA\]).
Vitamin D3
Vitamin D3 (cholecalciferol), 2000 IU per day. Other Names: cholecalciferol
Locations (1)
Brigham and Women's Hospital
Boston, Massachusetts, United States