Best Supplements for Reduced International Normalized Ratio
Ranked by research evidence. Compare 5 supplements across 7 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- Low evidence3 studies
Across all 3 studies, vitamin K1 consistently shows beneficial effects on reducing International Normalized Ratio (INR), with effect sizes ranging from small to large. The most-studied dose is 200 μg/day, with effects typically observed at 6 months (180 days median duration) in clinical populations such as patients on warfarin or those with chronic liver failure.
Dose: 200 μg/day
5 supplements
- LowVitamin K1Across all 3 studies, vitamin K1 consistently shows beneficial effects on reducing International Normalized Ratio (INR), with effect sizes ranging from small to large. The most-studied dose is 200 μg/day, with effects typically observed at 6 months (180 days median duration) in clinical populations such as patients on warfarin or those with chronic liver failure. · Dose: 200 μg/day3 beneficial3 studies