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Dr. Grey AI

Protocol · Cardiovascular

Coronary Artery Disease (CAD) Protocol

Omega-3 Fatty Acids and Coenzyme Q10 are the core of this stack, with 2 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Coronary Artery Disease (CAD).

We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.

The stack

4 supplements · 3 graded · 1 confirmed study

Amount listed in this protocol; not a recommendation.

Supplements in the Coronary Artery Disease (CAD) protocol, with the amount the protocol lists, the grade on file and confirmed studies
GradeSupplementAmount listedWhy it’s in the stackEvidence on fileShop
Primary stackThe core of this protocol
Omega-3 Fatty AcidsAmount listed: 2–4 g EPA/DHA daily

Reduces triglycerides, inflammation, platelet aggregation, and arrhythmia risk in established CAD

  • Atrial Fibrillation Incidence: studied
  • Triglycerides: improves
  • High-density lipoprotein (HDL): improves
  • C-Reactive Protein (CRP): improves
  • Blood Pressure: improves
Grade C for Atrial Fibrillation Incidence1 study · 401 people

Confirmed studies for Omega-3 Fatty Acids (titles as PubMed lists them)

Coenzyme Q10Amount listed: 100–300 mg daily

Supports mitochondrial ATP production in cardiac muscle and provides antioxidant protection

  • Anti-Oxidant Enzyme Profile: improves
  • Oxidative Stress Biomarkers: improves
  • Low-density lipoprotein (LDL): improves
  • Interleukin 6: improves
  • Total cholesterol: improves
Grade C for Anti-Oxidant Enzyme Profile2 studies · 103 people
Supporting stackListed as additions to the core
MagnesiumAmount listed: 300–400 mg daily

Supports endothelial function, reduces blood pressure, and helps maintain normal heart rhythm

  • C-Reactive Protein (CRP): improves
  • Serum Magnesium: improves
  • Homocysteine: improves
Grade C for C-Reactive Protein (CRP)3 studies · 64 people
Vitamin K2Amount listed: 100–200 mcg MK-7 daily

Activates matrix Gla protein, directing calcium away from arteries and reducing vascular calcification

Not graded yet

Shop the evidence-backed picks

Support alongside medical care. These supplements are not a treatment for Coronary Artery Disease (CAD). If you are being treated for it, talk to your clinician before adding one: supplements can interact with medicines.

Fullscript collectionHeart and circulation: evidence-graded picksOpen on Fullscript

Or shop one supplement

Each opens third-party tested products, matched to the dose above where we can.

  • Grade C
  • Grade C
  • Grade C

We earn from purchases made in our Fullscript store, and links to Fullscript, iHerb or Thorne carry our referral, so we may earn a commission at no extra cost to you. Grades come from the research and never change based on what we earn. Full disclosure

How this protocol works

In plain language

Coronary artery disease (CAD) develops when plaque builds up in the arteries supplying the heart, reducing blood flow and increasing heart attack risk. While medications and lifestyle changes are the foundation of treatment, certain supplements can provide additional cardiovascular protection.

  • Omega-3 Fatty Acids (fish oil) have multiple heart benefits: they lower triglycerides, reduce inflammation, decrease platelet stickiness, and stabilize heart rhythm. The landmark REDUCE-IT trial showed high-dose EPA (4g/day) reduced cardiovascular events by 25% in high-risk patients. This level of evidence has made prescription omega-3s a standard treatment.
  • Coenzyme Q10 is essential for energy production in the heart—the most energy-demanding organ. Statin medications (commonly prescribed for CAD) deplete CoQ10, and supplementation may reduce statin side effects. The Q-SYMBIO trial showed CoQ10 reduced cardiovascular mortality in heart failure patients.
  • Magnesium helps blood vessels relax, supports healthy blood pressure, and maintains normal heart rhythm. Deficiency is common and associated with increased cardiovascular risk.
  • Vitamin K2 (specifically MK-7) activates proteins that keep calcium in bones and out of arteries. Studies show it can slow the progression of coronary artery calcification.

Expected timeline: Omega-3s lower triglycerides within 2-4 weeks; other benefits develop over months to years. CoQ10 effects may take 4-12 weeks. Magnesium benefits blood pressure within 1-2 months.

Important: These supplements complement, not replace, medications prescribed by your cardiologist.

Printed from drgrey.ai/protocols/coronary-artery-disease. For education only; not medical advice. Talk to a clinician before starting any supplement.