Vitamin K
Cross-source consensus on Vitamin K from 45 sources and 165 claims.
45 sources · 165 claims
Uses
How it works
Benefits
Dosage & preparation
Preparation
Risks & contraindications
Interactions
Comparisons
Background
Evidence quality
Where it comes from
Highlighted claims
- Dietary sources of vitamin K2 include hard and soft cheeses, butter, eggs, and sauerkraut. — 6 Reasons for Calcium Deposits (Spurs, Osteophytes, Stones, and Tartar)
- Vitamin K1 is essential for blood clotting and is fat-soluble, requiring fat and bile for absorption. — Five Causes of Unexplained Bruising
- Vitamin K1 deficiency creates a serious anti-survival condition because internal bleeding goes unchecked. — Five Causes of Unexplained Bruising
- Malabsorption disorders, lack of bile, and kidney disease impair vitamin K1 absorption. — Five Causes of Unexplained Bruising
- Antibiotics destroy gut bacteria that produce vitamin K1. — Five Causes of Unexplained Bruising
- The body has two sources of vitamin K1: dietary intake from leafy greens and endogenous production by intestinal bacteria. — Five Causes of Unexplained Bruising
- Vitamin K2 must always be taken alongside vitamin D3 supplementation. — 7 Ways to Boost Your ABSORPTION of Vitamin D
- Vitamin K1 directly opposes warfarin's anticoagulant effect, so high-K1 foods reduce drug efficacy. — Blood Thinners and Leafy Green Vegetables
- Natto contains extremely high levels of K2 in addition to being high in K1. — Blood Thinners and Leafy Green Vegetables
- Yellow bell peppers contain zero vitamin K1. — Blood Thinners and Leafy Green Vegetables