 [ Symptoms ] i am factor v laiden and was wondering if it is safe for me to start taking borage oil i have been researching online and have not been able to get any information on this topic [ Disease ] hi thank you for contacting ehf borage oil in preliminary research has been shown to potentiate the effect of warfarin which you must be on since you are factor v leiden patient thus please avoid the use of it to prevent the interaction also do not forget to do your scheduled inr dr khan