Coronary Artery Disease — Herbal Remedies (West vs East)

Western / Conventional Medicine Perspective

In conventional cardiology, CAD is understood as a chronic inflammatory and metabolic vascular disease that can progress to plaque rupture, thrombosis, heart attack, heart failure, or sudden cardiac death. Standard management focuses on reducing risk and preventing events through lifestyle modification and established therapies such as statins, antiplatelet agents, blood pressure control, diabetes management, smoking cessation, and when needed, revascularization procedures. From this perspective, herbal remedies are typically evaluated as adjunctive, not primary, and are judged by the quality of evidence for outcomes like angina symptoms, exercise tolerance, lipid levels, blood pressure, inflammatory markers, and cardiovascular events.

Several herbs have attracted study. Garlic (Allium sativum) has been investigated for modest effects on blood pressure and lipids, though findings are heterogeneous. Hawthorn (Crataegus spp.) has more often been studied in heart failure than in CAD specifically, but it is discussed for potential effects on circulation and exercise tolerance. Berberine-containing botanicals have shown research interest for lipid and glucose metabolism, which may indirectly affect CAD risk. Green tea polyphenols, flax, and other plant compounds have also been examined for vascular and metabolic markers. In some Chinese herbal medicine trials, multi-herb formulas have been studied for stable angina or post-angioplasty support, but methodological limitations—such as small sample size, inconsistent blinding, and variation in formulas—make interpretation cautious.

Safety is a central issue in the western view. Many herbs can affect platelet aggregation, coagulation, heart rhythm, blood pressure, or drug metabolism. For example, garlic, ginkgo, ginseng, danshen, and others may increase bleeding risk when combined with aspirin, clopidogrel, or anticoagulants. Some herbs may alter liver enzymes or P-glycoprotein, changing blood levels of prescription medicines. Product quality is another concern, including variability in active constituents, contamination, adulteration, and inaccurate labeling. For people with known CAD—especially those taking multiple cardiovascular medications—research and clinical guidance consistently emphasize the importance of discussing supplement use with a cardiologist, pharmacist, or other licensed clinician.

Overall, conventional medicine views herbal remedies for CAD as an area of ongoing but incomplete evidence. Studies suggest some herbs may influence risk markers or symptoms in selected contexts, but there is limited high-quality evidence showing that herbal therapies alone reduce major outcomes such as heart attack, stroke, or cardiovascular death. As a result, herbs are generally framed as investigational or complementary within a broader, medically supervised cardiovascular plan.