MODERATE — Monitor Closely
🟡 MODERATE — CBD may reduce Clopidogrel effectiveness. Use caution.
Evidence level: MODERATE
CBD may reduce the effectiveness of clopidogrel by blocking the enzyme that activates it, potentially reducing its blood-thinning benefit.
CBD inhibits CYP2C19, which converts clopidogrel (prodrug) to its active metabolite. This may reduce clopidogrel effectiveness.
Discuss with your cardiologist before using CBD with clopidogrel. Reduced clopidogrel activation could increase clotting risk, especially if you have a stent.
Use caution. Many botanicals affect blood clotting — ginkgo, garlic, ginger, turmeric, and dong quai all have antiplatelet activity that can amplify Clopidogrel. St. John's Wort can REDUCE anticoagulant effectiveness. Take at separate times and inform your prescriber about all herbal supplements. Request more frequent INR monitoring if on warfarin.
Recent stent placement, acute coronary syndrome
Chest pain, shortness of breath, signs of stroke
Ask your cardiologist about CBD use, especially after stent placement
Blood thinners have narrow safety margins. Instead of CBD Oil, consider safer options: CoQ10 (with INR monitoring), vitamin D3, or probiotics — these have minimal anticoagulant interactions. Always inform your anticoagulation clinic about any supplements.
CBD may reduce the effectiveness of clopidogrel by blocking the enzyme that activates it, potentially reducing its blood-thinning benefit.
Use caution. Many botanicals affect blood clotting — ginkgo, garlic, ginger, turmeric, and dong quai all have antiplatelet activity that can amplify Clopidogrel. St. John's Wort can REDUCE anticoagulant effectiveness. Take at separate times and inform your prescriber about all herbal supplements. Request more frequent INR monitoring if on warfarin.
Chest pain, shortness of breath, signs of stroke
Blood thinners have narrow safety margins. Instead of CBD Oil, consider safer options: CoQ10 (with INR monitoring), vitamin D3, or probiotics — these have minimal anticoagulant interactions. Always inform your anticoagulation clinic about any supplements.
Ask your cardiologist about CBD use, especially after stent placement
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