Skip to content
Dr. Grey AI

Protocol · Cardiovascular Health

Post-Acute Coronary Syndrome Recovery Support Protocol

Omega-3 Fatty Acids and Coenzyme Q10 are the core of this stack, with 6 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Post-Acute Coronary Syndrome Recovery Support.

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

The stack

8 supplements · 1 graded · 2 confirmed studies

Amount listed in this protocol; not a recommendation.

Supplements in the Post-Acute Coronary Syndrome Recovery Support 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 (prescription-strength for triglyceride lowering)

Reduce triglycerides, anti-inflammatory, antiarrhythmic; may reduce cardiovascular mortality post-ACS

Not graded yet

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

Coenzyme Q10Amount listed: 100–300 mg daily

Supports mitochondrial function in heart; may improve cardiac function and reduce oxidative stress post-ACS

Not graded yet
Supporting stackListed as additions to the core
MagnesiumAmount listed: 300–400 mg daily (avoid if kidney function impaired)

Supports cardiac rhythm, reduces arrhythmia risk; often depleted after ACS

Not graded yet
Vitamin DAmount listed: 2,000–4,000 IU daily (target 40–60 ng/mL)

Deficiency associated with worse cardiovascular outcomes; may support cardiac recovery

Not graded yet
CurcuminAmount listed: 500–1,000 mg enhanced-absorption curcumin daily

Anti-inflammatory and antioxidant; may improve endothelial function and reduce post-ACS inflammation

  • High-density lipoprotein (HDL): improves
  • Triglycerides: improves
  • Low-density lipoprotein (LDL): improves
Grade C for High-density lipoprotein (HDL)63 people
L-CarnitineAmount listed: 2–3 g daily

Supports fatty acid metabolism in heart; may improve cardiac function and reduce mortality post-MI

Not graded yet

Confirmed studies for L-Carnitine (titles as PubMed lists them)

B Vitamins (with Folate)Amount listed: B-complex with folate 400–800 mcg, B12 500–1,000 mcg, B6 25–50 mg

Reduce homocysteine, a cardiovascular risk marker; support energy metabolism

Not graded yet
Aged Garlic ExtractAmount listed: 600–1,200 mg aged garlic extract daily

Antiplatelet, antihypertensive, reduces arterial plaque; supports cardiovascular health

Not graded yet

Shop the evidence-backed picks

Support alongside medical care. These supplements are not a treatment for Post-Acute Coronary Syndrome. 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

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

Acute coronary syndrome (ACS) includes heart attack (STEMI and NSTEMI) and unstable angina - conditions caused by sudden reduction in blood flow to the heart, usually from a ruptured plaque and blood clot in a coronary artery. After an ACS event, the focus shifts to recovery and preventing another event (secondary prevention). Medical therapy is essential and includes antiplatelet drugs, statins, beta-blockers, and ACE inhibitors.

CRITICAL: This protocol is for RECOVERY and SECONDARY PREVENTION after an ACS event - NOT for treating an acute heart attack. If you have chest pain, pressure, or other symptoms of a heart attack, CALL 911 IMMEDIATELY. After ACS, medication adherence is crucial - supplements should COMPLEMENT, not replace, prescribed medications. Always inform your cardiologist about any supplements as some may interact with blood thinners or other cardiac medications.

Omega-3 Fatty Acids* have the strongest evidence for post-ACS support. The REDUCE-IT trial showed that prescription EPA (icosapent ethyl) significantly reduced cardiovascular events in high-risk patients. Omega-3s lower triglycerides, reduce inflammation, and may have antiarrhythmic effects.

Coenzyme Q10* supports the heart's energy production. The heart requires enormous amounts of energy, and CoQ10 levels are often depleted after a cardiac event. Studies show CoQ10 may improve cardiac function and quality of life.

Magnesium* is essential for maintaining normal heart rhythm and is often low after ACS. Adequate magnesium levels are associated with better cardiovascular outcomes.

Vitamin D* deficiency is common and associated with worse outcomes after ACS. Maintaining adequate levels supports overall cardiovascular health.

Curcumin* has anti-inflammatory effects that may help reduce the ongoing inflammation after ACS and improve endothelial function.

L-Carnitine* helps the heart use fatty acids for energy. A meta-analysis found that L-carnitine supplementation after heart attack may reduce mortality and arrhythmias.

B Vitamins* help lower homocysteine, an amino acid linked to cardiovascular disease when elevated.

Aged Garlic Extract* has modest blood pressure lowering effects and may help slow plaque progression.

Expected timeline: Cardiac rehabilitation and recovery typically takes 3-6 months. Supplements support this process but benefits are cumulative over weeks to months. Secondary prevention is lifelong.

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