Calories in Beef Liver: Nutritional facts for Beef Liver Types

One hundred grams (3.5 oz) of raw beef liver contains 135 calories. One hundred grams of cooked, pan-fried beef liver contains 194 calories.

One kilogram (2.2 lbs) of raw beef liver contains 1350 calories. One kilogram of cooked, pan-fried beef liver contains 1940 calories.

The calorie content of one whole beef liver is substantial, as a whole liver from a steer weighs between 4.5 kg to 7 kg (10 lbs to 15 lbs). A whole raw beef liver weighing 5 kg (11 lbs) contains 6,750 calories.

Beef liver provides some health benefits like preventing anemia and supporting energy metabolism due to its unparalleled concentration of bioavailable iron and B vitamins. Often called "nature's multivitamin," beef liver is one of the most nutrient-dense foods available. A list of the health benefits of beef liver are shown below.

• Extremely High in Vitamin A: Beef liver is an exceptional source of preformed Vitamin A (retinol), which is crucial for vision, immune function, reproduction, and cellular communication.
• Rich Source of B Vitamins: It is packed with B vitamins, especially Vitamin B12, which is essential for red blood cell formation and neurological function, and Riboflavin (B2), vital for energy production. It also contains high amounts of Niacin (B3), Vitamin B6, and Folate (B9).
• Excellent Source of Heme Iron: Beef liver provides a large amount of heme iron, the most easily absorbed form of iron. This makes it highly effective for preventing and treating iron-deficiency anemia (Abbaspour N, Hurrell R, Kelishadi R., 2014, "Review on iron and its importance for human health").
• High in Copper: It is one of the richest dietary sources of copper, a mineral essential for energy production, iron metabolism, and brain function.
• Provides High-Quality Protein: Beef liver is a complete protein source, containing all the essential amino acids needed for building and repairing tissues, supporting muscle mass, and other bodily functions.
• Rich in Choline: Liver is a fantastic source of choline, an essential nutrient that plays a critical role in brain health, liver function, and metabolism. Choline is particularly important for fetal brain development (Zeisel SH, da Costa KA., 2009, "Choline: an essential nutrient for public health").
• Good Source of Coenzyme Q10 (CoQ10): Organ meats, including liver, are a good source of CoQ10, an antioxidant that is vital for energy production within cells and has cardiovascular benefits.
• Provides Selenium and Zinc: It contains high levels of selenium, a powerful antioxidant that supports thyroid function and the immune system, and zinc, which is crucial for immunity, wound healing, and DNA synthesis.

Beef liver has been known to cause some unwanted effects like Vitamin A toxicity and high cholesterol intake due to its extremely high concentration of certain nutrients. A list of the downsides of beef liver are shown below.

• Risk of Vitamin A Toxicity (Hypervitaminosis A): Because beef liver is so extraordinarily high in preformed Vitamin A, frequent or excessive consumption can lead to Vitamin A toxicity. Symptoms can range from dizziness and nausea to more severe issues like liver damage and pressure on the brain. This is a primary reason to consume liver in moderation (Penniston KL, Tanumihardjo SA., 2006, "The acute and chronic toxic effects of vitamin A").
• High in Cholesterol: Beef liver is high in dietary cholesterol. While the influence of dietary cholesterol on blood cholesterol is less of a concern for the general population than previously thought, individuals with certain health conditions or a genetic predisposition to high cholesterol may need to limit their intake.
• Accumulation of Toxins: The liver's function is to process toxins in the body. While a healthy liver does not store toxins, it can accumulate heavy metals like cadmium or other contaminants from the animal's environment and feed. Sourcing liver from healthy, pasture-raised animals can mitigate this risk.
• High in Purines: Liver is a high-purine food. For individuals with gout, a condition caused by high levels of uric acid (the breakdown product of purines), consuming liver can trigger a painful attack.

Yes, beef liver is exceptionally good for you when consumed in small, infrequent portions. It is one of the most nutrient-dense foods on the planet, offering a powerful dose of high-quality protein, an unparalleled amount of preformed Vitamin A, and an abundance of essential B vitamins (especially B12, riboflavin, and folate). It is also incredibly rich in highly bioavailable minerals like heme iron, copper, zinc, and selenium. A single serving can provide well over the daily requirements for many of these key nutrients. The dense nutritional profile of beef liver makes it highly effective for preventing anemia and supporting energy metabolism and overall cellular function. A preferred consumption rate to gain benefits without risking Vitamin A toxicity is a small serving of 85-113 g (3-4 oz) consumed once or twice a week, not daily.

Yes, in small, controlled portions, beef liver can be a good food for a weight loss diet. Its primary benefit is its incredible nutrient density combined with a high protein content. A 100 g serving of cooked beef liver contains around 29 g of protein for only 194 calories. High-protein foods are known to be very satiating, which helps reduce hunger and overall calorie intake, a key factor in weight loss (Wycherley TP, et al., 2012, "Effects of higher-protein diets on body weight and mass: a meta-analysis of randomized controlled trials"). Furthermore, the wealth of B vitamins and iron in beef liver supports a healthy metabolism and energy levels, which can be beneficial when on a calorie-restricted diet. However, because it is also calorie-dense compared to vegetables, portion control is essential. A small serving can provide a huge nutritional boost without adding excessive calories.

The calorie content for fresh or frozen beef liver shows minimal to no change between the common types, whether it is from an adult cow, a calf (veal liver), or from grass-fed or organically raised animals. All these fresh types contain around 194 calories per 100g when cooked (pan-fried). This is because the fundamental composition of the liver tissue itself is very consistent. The primary differences between these types are flavor, texture (calf's liver is milder and more tender), and potential differences in micronutrient profiles or contaminant levels based on the animal's diet and environment, not their caloric value. The most significant calorie change occurs when beef liver is processed into other products. For example, liverwurst or braunschweiger is much higher in calories (around 326 calories per 100g) because it is a sausage blended with additional meats and fats.

Beef liver and chicken liver are both nutritional powerhouses, but they have distinct differences. Beef liver is significantly higher in Vitamin A, providing an astounding 1,049% DV per 100g cooked, whereas chicken liver provides a still high but much lower 367% DV. Beef liver also contains substantially more copper (1,589% DV vs. 54% DV in chicken liver). On the other hand, chicken liver is exceptionally richer in iron, with 11.6 mg (64% DV) per 100g cooked compared to beef liver's 6.5 mg (36% DV), and it is also higher in selenium (116% DV vs. 65% DV). Both are phenomenal sources of Vitamin B12 and folate, with chicken liver often having an edge in folate content. Chicken liver is slightly higher in protein and lower in carbohydrates per 100g. In terms of calories and fat, cooked chicken liver is a bit leaner, with around 167 calories and 6.5 g of fat per 100g, compared to 194 calories and 7.1 g of fat for pan-fried beef liver. Ultimately, both are incredibly nutrient-dense, with beef liver being superior for Vitamin A and copper, and chicken liver being superior for iron and selenium.

Desserts featuring beef liver are virtually non-existent in any culinary tradition. The strong, savory, and uniquely metallic flavor profile of liver makes it fundamentally incompatible with the sweet flavors required for desserts. Its use is exclusively confined to savory main dishes, appetizers, and charcuterie preparations.

Yes, beef liver is an excellent source of high-quality, complete protein. A 100 g (3.5 oz) serving of cooked, pan-fried beef liver contains 29 g of protein, which provides 58% of the Daily Value (DV) for a person on a 2,000-calorie diet. This makes it one of the most protein-dense foods available by weight. The protein in beef liver is "complete," meaning it contains all nine essential amino acids that the human body cannot produce on its own and must obtain from food. This high concentration of complete protein is vital for numerous bodily functions, including building and repairing tissues, creating enzymes and hormones, and supporting lean muscle mass. For its calorie count (194 calories per 100g cooked), beef liver offers a very high protein-to-calorie ratio, making it an efficient way to meet protein needs.

The origin of consuming beef liver as food is as ancient as the history of cattle domestication and hunting itself, dating back thousands of years. Early human societies, from hunter-gatherers to the first agricultural communities, practiced nose-to-tail eating out of necessity and an innate understanding of nutrition. Organ meats, especially the liver, were often prized above muscle meats because they are exceptionally rich in vital nutrients like vitamins A and B12, iron, and copper. This practice was common across virtually all cultures that raised or hunted cattle, from ancient Egypt, where liver was used for both food and medicine, to pastoral tribes across Africa and Asia, and throughout Europe. Consuming liver was a way to ensure no part of the valuable animal went to waste and to obtain a concentrated dose of essential nutrients.

A classic dish that highlights this long tradition is Liver and Onions. This simple yet enduring dish has deep roots in many European cuisines, particularly British, German, and American comfort food traditions. The preparation involves slicing liver (beef or calf's) and pan-frying or sautéing it with a generous amount of sliced onions. The onions' sweetness, which intensifies as they caramelize, provides a perfect counterbalance to the rich, slightly metallic, and sometimes bitter flavor of the liver. The dish is often served with a gravy made from the pan drippings, and accompanied by mashed potatoes or other simple side dishes. Its popularity, especially in the mid-20th century, stemmed from its reputation as an affordable, hearty, and incredibly nutritious meal. While it has become less common on modern menus, Liver and Onions remains a powerful example of how a simple, nutrient-dense organ meat has been made palatable and celebrated in culinary traditions for generations.