Supplement reference
Vitamin D3 + K2
A source-linked reference on Vitamin D3 + K2, evidence, safety and product identity. Sources checked 6 September 2026.
Source and review status
Published sources checked
Sources checked on: 6 September 2026
Qualified clinical review: Pending. This page has not been clinically reviewed.
About this source check
AI-assisted editorial source checking covers the cited material and its stated limits. It is not a systematic review, verification of a supplied product, or clinical sign-off.
Editorial role: InfoAddict. Last material change: 6 September 2026. Next source review: 6 March 2027.
Ingredient and preparation
This label combines cholecalciferol with a vitamin K form. The exact K form and amount should be read from the product label.
Sources: National Institutes of Health, Office of Dietary Supplements, National Institutes of Health, Office of Dietary Supplements
Evidence and limits
NIH sources describe vitamin D and vitamin K separately. They do not establish that a combined retail product has a unique bone or cardiovascular outcome.
Sources: National Institutes of Health, Office of Dietary Supplements, National Institutes of Health, Office of Dietary Supplements
Safety and a useful record
Vitamin K can interact with anticoagulant medicines, while excessive vitamin D can be harmful. Combined products need review as a combination, not as two generic wellness claims.
Sources: National Institutes of Health, Office of Dietary Supplements, National Institutes of Health, Office of Dietary Supplements, National Center for Complementary and Integrative Health
Record each form and amount, anticoagulant or other medicines, and any laboratory context.
Sources: National Center for Complementary and Integrative Health
Published sources
- Vitamin K: Fact Sheet for Consumers
National Institutes of Health, Office of Dietary Supplements. Current NIH ODS reference; accessed 6 September 2026.
Supports: Vitamin K functions and medication-interaction context. It does not establish MK-7-specific outcomes.
- Vitamin D: Fact Sheet for Consumers
National Institutes of Health, Office of Dietary Supplements. Current NIH ODS reference; accessed 6 September 2026.
Supports: Vitamin D functions, blood-test context and excess-risk information.
- Safe Use of Complementary Health Products and Practices
National Center for Complementary and Integrative Health. Current NCCIH reference; accessed 6 September 2026.
Supports: General safety, interaction and contamination context. It does not establish ingredient-specific benefit.
Change history
| Date | Change | Clinical-review status |
|---|---|---|
| 6 September 2026 | Source-linked reference published | Pending |
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