The few doctors aware of these older studies sometimes recommend that people with a history of heart disease or who are at risk for heart attack take approximately 500 mg of chondroitin sulfate three times per day.

 

https://wa.kaiserpermanente.org/kbase/topic.jhtml?docId=hn-2828008

Heart Attack
Refer to label instructions
Taking chondroitin sulfate may reduce the risk of heart attack in people with a history of heart disease or who are at risk for heart attack.
Years ago, researchers reported that taking for six years substantially reduced the risk of fatal and nonfatal heart attacks in people with
Chondroitin may work by inhibiting and by acting as an anticoagulant.
The few doctors aware of these older studies sometimes recommend that people with a history of heart disease or who are at risk for heart attack take approximately 500 mg of chondroitin sulfate three times per day.
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https://www.lewrockwell.com/2021/10/no_author/the-forgotten-cure-that-prevents-mortal-heart-attacks/

“Dr. Morrison’s discovery might have been completely forgotten had the aforementioned animal study not shown a 7-fold reduction in coronary events (heart attacks).”