Beef, variety meats and by-products, heart, raw

Beef heart is the muscular organ of cattle that pumps blood throughout the animal’s body and is classified as an organ meat or offal. Unlike skeletal muscle cuts like sirloin or ribeye, heart muscle has unique structural and metabolic properties: it is composed of densely packed muscle fibers with abundant mitochondria to meet continuous energy demands. Beef heart has been consumed in traditional diets worldwide, from South American anticuchos skewers to nose‑to‑tail culinary movements that emphasize using the entire animal. Although offal fell out of favor in many Western supermarkets over the past century, chefs and health‑focused eaters have revived beef heart due to its robust nutrient profile and versatility in cooking. Blood oxygenation and high energy requirements drive the heart’s physiology, which in turn concentrates certain micronutrients within this tissue. As a result, beef heart delivers not just protein but also a suite of B vitamins, minerals such as iron and zinc, and muscle bioenergetic compounds like Coenzyme Q10 (CoQ10); some research suggests this organ has among the highest dietary CoQ10 content of all meat sources. Unlike conventional muscle cuts, beef heart’s flavor and texture are unique: it is denser, with a mild gamey taste and firm texture that responds well to high‑heat searing, slow braising, or thin slicing. Colonial and indigenous cuisines have long prized organ meats for their nutrient density and affordability, and contemporary culinary science supports integrating these cuts regularly in balanced diets.

The detailed nutrient profile of beef heart reflects its function as a working muscle with high metabolic activity. Per 100 g of raw beef heart, the lean protein content is approximately 17.7 g, representing one of the highest protein‑to‑calorie ratios among meat products. This complete protein provides all nine essential amino acids necessary for muscle repair, immune function, and hormone synthesis. With 112 kcal per 100 g, the energy density is low relative to similar cuts, making it advantageous for weight‑conscious diets. Most calories derive from protein and moderate fat, with a total fat content of about 3.94 g, including ~1.38 g saturated fat and minimal trans fat. Cholesterol levels are notable at 124 mg per 100 g, reflecting the organ’s cellular membrane requirements. Carbohydrates are nearly absent in raw beef heart, at only 0.14 g per 100 g, fitting well with low‑carb dietary patterns. Among micronutrients, beef heart excels: iron (4.31 mg) contributes to oxygen transport and energy metabolism; potassium (287 mg) supports electrolyte balance and muscle function; selenium (21.8 µg) acts as a critical antioxidant cofactor; and zinc (1.7 mg) aids immune competence and DNA repair. B‑vitamins are abundant—with riboflavin (~0.906 mg), niacin (~7.53 mg), vitamin B6 (~0.279 mg), and especially vitamin B12 (~8.55 µg)—enabling efficient energy conversion and neurologic health. Other trace nutrients include copper, magnesium, phosphorus, and a small amount of vitamin C. In comparison to conventional beef cuts like ground round or sirloin, beef heart tends to be leaner in total fat but richer in micronutrients, particularly iron and B12. These distinctions make beef heart a nutrient‑dense option that packs more micronutrient value per calorie than many standard meat choices.

Scientific evidence supports several health benefits of lean red meat and organ meats, including beef heart, when consumed as part of balanced dietary patterns. High‑quality protein supports muscle synthesis and recovery; a systematic review of randomized controlled trials found that lean beef intake did not adversely impact cardiovascular risk factors and can be included up to two 3‑ounce servings daily in heart‑healthy diets when paired with vegetables, fruits, whole grains, and low‑fat dairy. (Current Developments in Nutrition, 2024). Protein quality is essential for athletes, older adults prone to sarcopenia, and anyone in energy‑demanding phases of life. Beef heart’s rich B‑vitamin profile enhances energy metabolism—vitamin B12, in particular, is pivotal for red blood cell formation and neurologic function, and many adults have suboptimal B12 intake from diet alone. Iron in beef heart is heme iron, which is more bioavailable than non‑heme iron from plant sources, reducing the risk of iron deficiency anemia when adequately balanced with diet. Selenium supports antioxidant defense via glutathione peroxidase enzymes. Compounds such as CoQ10, concentrated in cardiac muscle due to its energy demands, serve as essential cofactors in mitochondrial electron transport and act as antioxidants; dietary CoQ10 may contribute to cellular energy production and oxidative stress reduction, though clinical evidence focuses on supplemental rather than food‑derived CoQ10. Moreover, observational studies suggest that moderate consumption of unprocessed lean red meats in healthy dietary patterns does not significantly elevate major cardiovascular risk factors compared with low‑meat diets. However, balancing red meat intake with ample plant foods and overall dietary quality is crucial, as some long‑term cohort studies report associations between higher red meat intake and small increases in cardiovascular events; lean cuts and portions matter. Overall, beef heart’s nutrient‑dense profile can contribute to fulfilling daily nutrient requirements, particularly in populations with higher needs for protein, iron, and vitamin B12, when integrated into a varied diet.

Source: USDA FoodData Central (FDC ID: 168625)