Table 1 Interactions Between Herbs and Blood Modifiers

Acerola, Agrimony (Vitamin K costituents), American Ginseng, Arnica (coumarin constituents), Bilberry (antiaggregation effect on platelets), Bogbean (hemolytic activity), Boldo (coumarin constituents), Bromelain, Capsicum (increase fibrinolytic activity), Cayenne (reduce platelet aggregation and increase fibrinolytic activity), Celery (coumarin constituent), Chlorella, Danshen, Dong Quai (coumarin constituents), English Chamomile (coumarin constituents), European Mistletoe (agglutinating activity); Fenugreek (coumarin constituents), Feverfew (reduce platelet aggregation and increase fibrinolytic activity), Fish Oils (decrease platelet adhesiveness), Gamma Linolenic Acid (contained in borage seed oil), Garlic (inhibit platelet aggregation and increase fibrinolytic properties), Ginger (inhibit platelet aggregation), Ginko leaf extract (inhibit platelet activating factor), Goldenseal, Guar Gum, Horse Chestnut Seed (coumarin constituents), Panax Ginseng, Papain, Passionflower (coumarin constituents), Plantain (Vitamin K constituents), Red Clover (coumarin constituents), Siberian Ginseng, Stinging Nettle (Vitamin K constituents), Sweet Clover (contains dicoumarol), Vitamins C, E (inhibits platelet aggregation and adhesiveness), and K, Willow Bark (salicylate constituent)

Medication	Natural Medicine
Anticoagulants/ Antiplatelets	Acerola, Agrimony (Vitamin K costituents), American Ginseng, Arnica (coumarin constituents), Bilberry (antiaggregation effect on platelets), Bogbean (hemolytic activity), Boldo (coumarin constituents), Bromelain, Capsicum (increase fibrinolytic activity), Cayenne (reduce platelet aggregation and increase fibrinolytic activity), Celery (coumarin constituent), Chlorella, Danshen, Dong Quai (coumarin constituents), English Chamomile (coumarin constituents), European Mistletoe (agglutinating activity); Fenugreek (coumarin constituents), Feverfew (reduce platelet aggregation and increase fibrinolytic activity), Fish Oils (decrease platelet adhesiveness), Gamma Linolenic Acid (contained in borage seed oil), Garlic (inhibit platelet aggregation and increase fibrinolytic properties), Ginger (inhibit platelet aggregation), Ginko leaf extract (inhibit platelet activating factor), Goldenseal, Guar Gum, Horse Chestnut Seed (coumarin constituents), Panax Ginseng, Papain, Passionflower (coumarin constituents), Plantain (Vitamin K constituents), Red Clover (coumarin constituents), Siberian Ginseng, Stinging Nettle (Vitamin K constituents), Sweet Clover (contains dicoumarol), Vitamins C, E (inhibits platelet aggregation and adhesiveness), and K, Willow Bark (salicylate constituent)
Heparin	Goldenseal (possess coagulant activity)
Warfarin (Coumadin ®)	Acerola, Angelica (inhibit platelet aggregation), Anise (coumarin constituents), Chlorella, Coenzyme Q, Devil's Claw, Dong Quai (contains coumarin derivatives), Fenugreek, Feverfew (reduce platelet aggregation and increase fibrinolytc activity), Garlic (inhibit platelet aggregation and increase fibrinolytic properties), Ginger (inhibit platelet aggregation), Ginko leaf extract (inhibit platelet activating factor), Panax Ginseng (diminished platelet adhesiveness), Papain, St. John's Wort, Vitamins C, E, and K