Beef, tenderloin, roast, separable lean and fat, trimmed to 1/8" fat, prime, cooked, roasted

Beef tenderloin roast is a premium cut of beef sourced from the psoas major muscle of cattle, known for its extraordinary tenderness and mild flavor. This cut spans along the spine, beneath the ribs, and is anatomically distinct because it does very little work compared to other muscles, which results in minimal connective tissue and a characteristic melt‑in‑the‑mouth texture. The term "tenderloin" is used globally, though culinary traditions vary: in France, it's known as "filet de bœuf," while in the U.K. and Australia, it’s often called "fillet steak." Historically, beef tenderloin became associated with high cuisine in Europe during the 19th century, prized by chefs for its delicate texture and ability to absorb subtle seasonings. Its rise in America coincided with improved refrigeration and transport in the early 20th century, making this once local delicacy accessible in urban markets. This cut is sold in various grades in the U.S., from USDA Select to Prime, with Prime exhibiting the highest marbling and flavor. Unlike ground beef or tougher roasts like chuck, tenderloin is best suited for roasting whole, slicing into filet mignon steaks, or grilling as large cuts. It is typically trimmed of excess fat to a specified thickness (such as 1/8"), which affects both flavor and nutrition profile. Due to its lean nature, tenderloin lends itself well to flavor pairings that enhance without overwhelming its subtle beefiness, such as herb crusts, wine reductions, or compound butters. Across global cuisines, from American steakhouse preparations to French tournedos and Japanese wagyu interpretations, tenderloin remains one of the most versatile premium beef cuts.

The nutrition profile of cooked beef tenderloin is dominated by protein and fat, with negligible carbohydrates. A 100g cooked serving provides 343 kcal, making it energy‑dense and ideal for diets where caloric needs are high. The protein content of 24.04g delivers all essential amino acids in balanced proportions, making beef tenderloin a "complete" protein source—a key factor in muscle maintenance, repair, and immune function. The amino acid profile includes significant levels of leucine, lysine, and histidine, important for muscle protein synthesis and metabolic regulation. Fat comprises 26.67g of the nutrient profile, with saturated fat (~10.63g) and monounsaturated fats (~11.01g) being the major contributors. While saturated fat intake is often moderated in heart‑healthy diets, the context of overall dietary pattern and individual risk factors should guide consumption. Unsaturated fats present in this cut have roles in cellular signaling and hormone synthesis. Cholesterol (~88mg per 100g) is significant but should be assessed within total dietary cholesterol intake and personal cardiovascular health context. Micronutrient analysis shows beef tenderloin is rich in iron (~3.12mg), which is present as heme iron, more effectively absorbed than plant sources, supporting red blood cell production and oxygen transport. Vitamin B12 (~2.53μg) is critical for neurological function and DNA synthesis, often of particular relevance to older adults and individuals with limited animal protein intake. Potassium (~336mg) supports electrolyte balance and cardiovascular function, while zinc (~4.39mg) plays vital roles in immunity and wound healing. Compared to other cuts, tenderloin is leaner than ribeye or brisket, though less lean than top sirloin or eye of round. For example, a top sirloin steak might contain less total fat, whereas ribeye often contains more. From a nutrient density perspective, beef tenderloin provides a concentrated package of protein and bioavailable micronutrients but with higher caloric density due to fat content. Understanding how these values align with dietary goals—whether muscle gain, weight maintenance, or nutrient adequacy—guides appropriate intake.

Beef tenderloin's nutrient profile supports several health benefits grounded in scientific evidence. First, as a high‑quality protein source, it provides all essential amino acids necessary for muscle protein synthesis. Clinical research shows that adequate protein intake, particularly rich in leucine, improves muscle maintenance in older adults and increases lean mass when combined with resistance training, which can help reduce risks of sarcopenia with aging. Second, the high bioavailability of heme iron in beef supports prevention and management of iron‑deficiency anemia. Heme iron is absorbed significantly better (up to 25%) compared to non‑heme iron from plant sources, making beef tenderloin an important option for individuals at risk of anemia, such as menstruating females or endurance athletes. Third, vitamin B12 content supports neurological health and energy metabolism. B12 deficiency is linked to cognitive decline in elderly populations and symptoms like fatigue and neuropathy; thus, regular consumption of beef tenderloin can contribute to maintaining adequate vitamin B12 levels. Fourth, zinc in beef tenderloin plays a pivotal role in immune function, wound healing, and DNA replication. Zinc deficiency is relatively common globally and can impair immune responses; the 4.39mg in a 100g serving contributes meaningfully toward daily requirements. Finally, some randomized controlled interventions have explored lean beef consumption in the context of heart‑healthy diets. When incorporated into low–saturated fat dietary patterns, lean beef did not adversely affect LDL cholesterol and even showed lipid profile improvements comparable to established healthy diets, emphasizing that lean cuts like tenderloin can be part of balanced cardiovascular nutrition. While red meat consumption has been debated in epidemiological research, current evidence highlights the importance of context—level of processing, portion sizes, and overall dietary patterns—rather than singling out a specific cut.

Source: USDA FoodData Central (FDC ID: 169549)