Skip to content
Dr. Grey AI

Protocol · Cardiovascular Health

Cardiomyopathy Supportive Care Protocol

Coenzyme Q10 (CoQ10) and Omega-3 Fatty Acids are the core of this stack, with 7 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Cardiomyopathy Supportive Care.

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

The stack

9 supplements · 2 graded

Amount listed in this protocol; not a recommendation.

Supplements in the Cardiomyopathy Supportive Care 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
Coenzyme Q10 (CoQ10)Amount listed: 200–400 mg daily in divided doses (ubiquinol form better absorbed)

Essential for mitochondrial energy production in heart muscle; deficient in heart failure; may improve cardiac function

  • Exercise Tolerance: studied
  • Left Ventricular Ejection Fraction: improves
  • Heart Size: changes; see studies
  • Quality of Life: improves
Grade D for Exercise Tolerance2 studies · 41 people
Omega-3 Fatty AcidsAmount listed: 2–4 g EPA+DHA daily

Anti-inflammatory and antiarrhythmic; reduces cardiac events in heart failure; guideline-recommended

  • Blood glucose: studied
  • Triglycerides: improves
  • High-density lipoprotein (HDL): improves
  • Weight: improves
  • TNF-Alpha: improves
Grade D for Blood glucose42 people
Supporting stackListed as additions to the core
L-CarnitineAmount listed: 2–3 g daily in divided doses

Supports fatty acid transport for energy production; may improve exercise capacity and symptoms

Not graded yet
D-RiboseAmount listed: 5 g three times daily

Sugar needed for ATP regeneration; may improve energy and exercise tolerance in heart failure

Not graded yet
MagnesiumAmount listed: 300–400 mg daily

Essential for cardiac function and rhythm; deficiency common with diuretics; supports muscle function

Not graded yet
Vitamin DAmount listed: 2,000–4,000 IU daily (test and correct deficiency)

Deficiency associated with worse heart failure outcomes; supports muscle function

Not graded yet
Thiamine (Vitamin B1)Amount listed: 100 mg daily

Deficiency causes cardiomyopathy (beriberi); depleted by diuretics; supports cardiac energy metabolism

Not graded yet
TaurineAmount listed: 2–3 g daily in divided doses

Abundant in heart; supports calcium handling and contractility; may benefit heart failure

Not graded yet
HawthornAmount listed: 450–900 mg standardized extract daily

Traditional heart herb; may improve symptoms and exercise capacity; use with medical supervision

Not graded yet

Shop the evidence-backed picks

Support alongside medical care. These supplements are not a treatment for Cardiomyopathy. 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 D
  • Grade D

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

Cardiomyopathy refers to diseases of the heart muscle that make it harder for the heart to pump blood. Types include dilated cardiomyopathy (enlarged, weakened heart), hypertrophic cardiomyopathy (thickened heart muscle), and restrictive cardiomyopathy (stiff heart). Causes include genetics, coronary artery disease, viral infections, alcohol, and medications (like some chemotherapy drugs).

CRITICAL: Cardiomyopathy is a serious condition requiring cardiology care. This protocol is SUPPORTIVE ONLY and does not replace medical treatment.

STANDARD MEDICAL TREATMENTS include:

  • ACE inhibitors/ARBs (enalapril, losartan)
  • Beta-blockers (carvedilol, metoprolol)
  • Diuretics for fluid management
  • ARNI (sacubitril/valsartan)
  • SGLT2 inhibitors (dapagliflozin, empagliflozin)
  • Implantable devices (ICD, CRT)
  • Heart transplant for end-stage disease

ALWAYS consult your cardiologist before starting supplements, as some may interact with heart medications.

CoQ10* is the most studied supplement for cardiomyopathy. The Q-SYMBIO trial showed reduced cardiovascular events and improved symptoms. The heart requires enormous amounts of energy, and CoQ10 is essential for cellular energy production.

Omega-3 Fatty Acids* are recommended by heart failure guidelines. The GISSI-HF trial showed reduced mortality with omega-3 supplementation.

L-Carnitine and D-Ribose* support cardiac energy metabolism.

Thiamine (B1)* deficiency can cause cardiomyopathy and is depleted by common diuretics like furosemide. Supplementation is often recommended.

Magnesium* is frequently low with diuretic use and is essential for heart rhythm.

Expected timeline: Benefits from supplements develop over weeks to months. Regular monitoring of heart function is essential.

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