Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/8" fat, choice, cooked

Beef—meat from cattle (Bos taurus)—has been a cornerstone of human diets for millennia and continues to be one of the most widely consumed sources of animal protein worldwide. As a broad category, beef encompasses many different cuts and grades, ranging from lean tenderloin to fattier short ribs and chuck cuts. The term “composite of trimmed retail cuts” refers to a representative mix of retail beef cuts that have been trimmed of external fat to a specified thickness (in this case, 1/8" fat trim) and cooked to ready‑to‑eat temperature. This specific item, “Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/8" fat, choice, cooked,” is intended to reflect a typical cooked serving that a consumer might purchase or prepare at home. The USDA choice grade indicates moderate marbling (fat distribution) and generally represents the most commonly available quality level in grocery stores and restaurants. Choice beef is placed between the higher marbling “prime” and the lower marbling “select” grades. Historically, cattle domestication began around 8,000–10,000 years ago in parts of Eurasia, and beef became an important food source due to its rich calorie and nutrient density, especially in societies where plant foods could be seasonally limited. Over time, butchering practices and grading systems evolved, leading to standardized definitions such as the USDA grading system used today. The trimmed composite beef cut used in nutrient databases aims to encompass the typical retail beef experience across multiple cuts rather than a single steak type, offering a balanced view of average nutrient content from lean and fat components. Different cultures also have distinctive beef traditions. In the United States and much of Europe, grilling, roasting, and pan‑searing represent standard preparation methods. In East Asia, thinly sliced beef is common in stir‑fries and hot pots. South American countries often enjoy grilled beef as central elements of asado or churrasco. Despite these culinary differences, the underlying nutritional contributions—particularly high‑quality protein and essential micronutrients—remain consistent. Beef’s versatility extends beyond table fare; beyond human consumption, cattle are integral to agriculture for dairy, leather, and draft power in some regions. The nutritional and economic importance of beef has sustained its role in global diets, making it a subject of both culinary enjoyment and scientific study.

The nutrition profile of cooked, trimmed choice beef illustrates why it is considered nutrient‑dense. Per 3‑ounce (85 g) cooked serving, the beef provides 228 kcal, with 22 g of high‑quality protein and 15 g of total fat. These macronutrients contribute to its role as an energy source and building block for tissues. Protein: The 22 g of protein represents complete protein containing all essential amino acids required for muscle maintenance, immune function, enzyme production, and hormonal synthesis. Compared to other animal proteins, beef’s amino acid pattern is particularly effective at stimulating muscle protein synthesis, especially in older adults or athletes requiring greater protein demands. Fats: The total fat content (15 g) includes both saturated and unsaturated fats. Saturated fat (~6.2 g) contributes to flavor and caloric density but is also the nutrient most often discussed in relation to cardiovascular health. Monounsaturated fats (primarily oleic acid) and small amounts of polyunsaturated fats are also present, offering modest contributions to overall fatty acid balance. Cholesterol: With ~75.6 mg of cholesterol per serving, beef contributes to dietary cholesterol intake. While dietary cholesterol’s effect on serum cholesterol varies by individual, many heart‑healthy diet recommendations emphasize moderation, particularly in populations with elevated LDL cholesterol. Micronutrients: Beef is notable for several micronutrients that are often limited in other foods. Iron (1.9 mg) in the form of heme iron is highly bioavailable, making beef an effective choice for preventing iron deficiency, especially in adolescent girls, pregnant women, and endurance athletes. Beef also provides zinc (~4.3 mg) (critical for immune function and DNA synthesis), selenium (~28.4 µg) (an antioxidant cofactor), and vitamin B12 (~1.9 µg) (essential for nerve function and red blood cell production). Potassium (265 mg) contributes to electrolyte balance and supports muscle function. Small amounts of B vitamins such as niacin, riboflavin, and vitamin B6 also enhance energy metabolism. Carbohydrates: Beef contains 0 g of carbohydrates, hence no sugar or fiber. This macronutrient profile makes it suitable for low‑carbohydrate and ketogenic dietary patterns. When comparing to similar meats, such as pork or lamb, beef offers comparable protein but slightly different fat and micronutrient compositions. For example, lamb tends to be higher in total fat, while pork contains more thiamin. Ground beef or fattier cuts will naturally yield more calories and saturated fats. Therefore, lean trimmed choice cuts strike a balance between nutrient density and moderate fat content. Overall, the nutrient density of beef coupled with its essential micronutrient content justifies its inclusion in diverse diets when consumed in moderation, though it should be balanced with other protein sources to optimize overall diet quality.

Scientific evidence offers a nuanced view of beef’s health effects, highlighting both beneficial nutrient contributions and areas where moderation is advised. High‑quality protein and essential micronutrients found in beef support key physiological functions. Protein from beef helps maintain and build muscle tissue, enhances satiety in meals, and supports immune function. Regular protein intake distributed across meals has been shown to improve muscle mass retention in aging adults. Recent perspectives note that beef’s complete amino acid profile may benefit older adults at risk of sarcopenia or individuals engaging in resistance training seeking optimal recovery and growth. Iron and Zinc: Beef’s iron comes mainly as heme iron, which is absorbed much more efficiently than non‑heme iron from plant sources. This makes it particularly valuable for populations at risk of iron deficiency anemia, such as women of reproductive age. Zinc supports immune health and wound healing and may help regulate gene expression and enzyme activity. Vitamin B12 found in beef is critical for neurological function and red blood cell production, making beef a uniquely rich dietary source for those not consuming fortified foods or supplements. Some controlled trials examining minimally processed red meat showed minimal effects on traditional cardiovascular risk factors compared to diets lower in red meat. For example, a meta‑analysis of randomized controlled trials found that fresh beef consumption did not robustly impact blood pressure or many lipoprotein fractions, though it showed a modest increase in LDL cholesterol (~2.7 mg/dL) compared with low‑beef diets. (科学直通车) Beef’s rich nutrient profile may also support cognitive performance by ensuring adequate iron and vitamin B12, which are essential for oxygen transport and neurological health. A scoping review mapping evidence on red meat consumption and cognition suggests potential roles for beef in maintaining nutrient status associated with cognitive outcomes across the lifespan, though more targeted research is needed. (Cambridge University Press & Assessment) In specific populations—such as pregnant women, athletes, and older adults—beef’s concentrated supply of iron, zinc, B vitamins, and high‑quality protein can fill nutritional gaps that plant‑based diets might require more careful planning to match. However, health authorities generally recommend balanced consumption, pairing beef with plant foods and alternative protein sources to diversify nutrient intake and minimize excessive saturated fat quantities.

Source: USDA FoodData Central (FDC ID: 169486)