
Are There Any Interactions Between Warfarin, L-Theanine And Choline?

I would explain as follows:
Detailed Answer:
Hello!
Thank you for asking on HCM!
Regarding your concern, I would explain that the main interactions in your current therapy are:
a-Between warfarin adn L- theanin. Green tea decreases effects of warfarin by pharmacodynamic antagonism. So it may decrease the effects of warfarin.
b-While warfarin and choline both increase anticoagulation. So, choline can increase the effects of warfarin, by increasing your risk of bleeding.
So, they should be used with caution, by a close monitoring of INR. Combination may decrease warfarin efficacy.
There are no significant interactions between these supplements and diltiazem or metoprolol.
Hope to have been helpful!
Kind regards,
Dr. Iliri

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