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Vitamin K and anticoagulants

The potential interaction between vitamin K-rich foods, such as kale, and anticoagulant medications, such as warfarin.

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Jan 16, 2026

Which interventions (clinic models, education, pharmacogenomics) most improve TTR in patients predicted to be poor warfarin responders?

Patients predicted to be poor warfarin responders most consistently gain meaningful increases in TTR from structured clinic-based pharmaceutical care and collaborative clinic models that deliver repea...

Jan 16, 2026

When should clinicians switch patients with low TTR on warfarin to DOACs, and what are the risks for those with chronic kidney disease?

Patients on warfarin with persistently low time in therapeutic range (TTR <65%) should be assessed for a likely switch to a DOAC when modifiable causes of poor INR control have been addressed and the ...