Beef Heart SupplementCoQ10, Carnitine & the Mitochondrial Organ
Beef heart is the richest dietary source of CoQ10 (coenzyme Q10) — providing 113mg per 100g fresh weight, far exceeding any other food. It is also dense in L-carnitine, vitamin B12, selenium, and zinc. In organ supplement blends, beef heart is included primarily for its CoQ10 content and the mitochondrial energy production this supports.
Last updated: May 2026 · Evidence reviewed against current PubMed literature
CoQ10 per 100g
113mg
Richest dietary source
L-Carnitine per 100g
~1,100mg
Fat oxidation cofactor
Vitamin B12 per 100g
3.8µg
160% Daily Value
Selenium per 100g
37–45µg
67–82% Daily Value
Zinc per 100g
2.7mg
25% Daily Value
Iron (heme) per 100g
4.3mg
24% Daily Value
Quick Answer
Beef heart supplements are taken primarily for CoQ10 — a mitochondrial electron carrier essential for ATP production. Each gram of freeze-dried heart contains ~1.1–1.5mg CoQ10. A standard 3g serving provides ~3–5mg CoQ10 — lower than dedicated CoQ10 supplements (100–300mg), but delivered in a whole-food matrix with co-occurring carnitine, B12, and selenium. Most useful as part of a multi-organ stack rather than a standalone CoQ10 replacement.
What the research actually shows
Richest dietary source of CoQ10
●●●Strong EvidenceCrane FL, 2001 — J Am Coll Nutr; USDA beef nutrient data
Beef heart contains 113mg CoQ10 per 100g fresh weight — the highest concentration of any food. CoQ10 is a critical electron carrier in the mitochondrial electron transport chain (Complexes I, II, III). Deficiency impairs ATP production and is documented in heart failure, statins users, and aging.
High L-carnitine content supports fat metabolism
●●○Moderate EvidenceRebouche CJ, 2004 — Ann N Y Acad Sci
Beef heart contains approximately 1,100mg L-carnitine per 100g. Carnitine facilitates long-chain fatty acid transport across the inner mitochondrial membrane for oxidation. Clinical evidence for supplemental carnitine is strongest in carnitine-deficient populations (vegetarians, end-stage renal disease).
Provides B12 for neurological and red blood cell function
●●●Strong EvidenceTucker KL et al., 2000 — Am J Clin Nutr
Beef heart provides approximately 3.8µg B12 per 100g — about 160% of the daily value. While lower than liver, meaningful contribution to daily B12 intake, which is essential for myelin synthesis, megaloblastic anemia prevention, and homocysteine metabolism.
Selenium source supporting thyroid and antioxidant function
●●○Moderate EvidenceRayman MP, 2012 — Lancet
Beef heart contains 37–45µg selenium per 100g, providing 67–82% of the RDA. Selenium is a cofactor for glutathione peroxidase enzymes (antioxidant defence) and iodothyronine deiodinases (thyroid hormone activation). Clinical evidence for supplementation is strongest in selenium-deficient populations.