What Is Beef Tenderloin Steak? Origin and Varieties
Beef tenderloin steak comes from the short loin of cattle (Bos taurus), a muscle that does minimal work during the animal’s life, which results in its hallmark exceptional tenderness. The tenderloin muscle is anatomically the psoas major, a long, cylindrical muscle located along the interior spine beneath the ribs and loin. Because it is lightly used, it contains less connective tissue than other beef cuts such as brisket or chuck, which yields a fine‑grained texture prized by chefs and home cooks alike. The term “tenderloin” refers to both the primal cut and the individual steaks (often marketed as filet mignon or beef fillet) that can be sliced from it. These steaks are typically lean, with a smooth texture and a mild, buttery flavor that absorbs seasonings and marinades well. The cut has European culinary roots, where it was historically served whole as a centerpiece roast (known as chateaubriand when prepared from the center portion and plated for multiple diners) and later popularized in American steakhouse culture. Modern beef production grades tenderloin cuts primarily by USDA quality categories—Prime, Choice, and Select—with higher grades typically offering a more tender, flavorful experience due to moderate marbling (intramuscular fat) that enhances juiciness without significantly raising total fat. While the tenderloin yields a range of steak sizes—from the petite filet mignon to larger platter cuts—its nutritional profile remains consistently lean with very low carbohydrate content and high levels of bioavailable protein, iron, and B vitamins, making it both a culinary luxury and a nutrient‑dense food when consumed as part of a balanced diet (Lean variants of red meat, such as tenderloin and sirloin, are often recommended when lean protein is desired).
Nutrition Profile: A Detailed Breakdown
Beef tenderloin steak is notable for its high protein content and rich micronutrient profile. According to USDA FoodData Central, an 85 g cooked serving provides ~30.6 g of protein and only 8.9 g of total fat, with carbohydrates essentially absent. This makes it an excellent source of high‑quality protein, containing all essential amino acids necessary for muscle repair, immune function, and hormone synthesis. Protein in beef is considered complete due to its balanced amino acid profile, including leucine, lysine, methionine, and valine in substantial amounts. Iron in this cut (~3.24 mg per serving) is predominantly heme iron—a form much more bioavailable than non‑heme iron from plant sources—which supports oxygen transport as part of hemoglobin. Zinc (~4.21 mg) plays critical roles in immune function, DNA synthesis, and wound healing, while vitamin B12 (~4.1 µg) is key for nerve health, red blood cell formation, and metabolic processes. Other B vitamins such as niacin (5.61 mg) and riboflavin (0.395 mg) contribute to energy metabolism and cellular health. Potassium (~350 mg) and selenium (~25.2 µg) enrich the micronutrient profile, supporting electrolyte balance, thyroid function, and antioxidant defenses. The fat profile includes a mix of saturated, monounsaturated, and polyunsaturated fats; while total saturated fat is moderate (~3.5 g), lean cuts like tenderloin are lower in total fat than more marbled steaks like ribeye or New York strip. Cholesterol (~93 mg) is present, reflecting its animal origin and metabolic roles, but intake should be contextualized within overall dietary patterns. Compared to fattier cuts, tenderloin’s lean profile and zero carbohydrate content fit well within low‑carbohydrate and ketogenic diets. When compared to plant proteins, it provides a richer quantity of heme iron and B12, which are nutrients many plant foods lack, though it does not supply dietary fiber or vitamin C. Overall, beef tenderloin steak delivers a nutrient‑dense package of macros and micronutrients supportive of muscle, blood, and metabolic health when consumed in appropriate portions.
Evidence-Based Health Benefits
Including lean cuts of beef like tenderloin in a balanced diet can support several aspects of health. First and foremost is its contribution to muscle building and repair: high‑quality protein with a complete array of essential amino acids stimulates muscle protein synthesis, especially when consumed post‑exercise. High‑performance athletes and older adults alike benefit from this anabolic stimulus, which may help preserve lean mass with aging. Iron status support is another concrete benefit; because beef tenderloin contains heme iron—the form most readily absorbed—regular moderate intake can help prevent iron‑deficiency anemia, particularly in populations with higher iron needs (e.g., menstruating women, endurance athletes). Iron deficiency is one of the most common nutrient deficiencies worldwide and can impair energy levels and cognitive function. Additionally, beef is rich in zinc and selenium, micronutrients crucial for immune function and antioxidant defenses. Zinc plays a role in T‑cell function and wound healing, while selenium is an essential component of glutathione peroxidase, an enzyme that helps mitigate oxidative stress. Vitamin B12 in beef supports neurological function and healthy red blood cell production; deficiency can lead to pernicious anemia and nervous system dysfunction. Some research suggests that diets including lean, unprocessed red meat patterns, when balanced with fruits, vegetables, and whole grains, do not independently increase cardiovascular risk, especially when saturated fat intake remains within recommended limits and overall dietary quality is high. Contemporary perspectives in nutrition science emphasize context: lean red meat can be part of diverse, nutrient‑rich eating patterns that adequately supply protein and key micronutrients while balancing saturated fat with unsaturated fats from plant oils and seafood. However, moderation is essential as excessive consumption—particularly of processed red meats—has been associated with increased risks for chronic diseases in epidemiological research (higher intakes of processed and high‑fat red meats have correlated with increased type 2 diabetes and cardiovascular disease risk in some studies).
Potential Risks and Who Should Be Careful
Despite its nutrient density, beef tenderloin steak is a form of red meat, and large observational studies often link high red meat intake with increased risks of cardiovascular disease and type 2 diabetes. These associations are more pronounced with processed red meats, though some analyses also find elevated risks with high unprocessed red meat intake—potentially due to saturated fat, cholesterol, and compounds generated during high‑heat cooking such as heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs). Populations with existing heart disease, high LDL cholesterol, hypertension, or metabolic syndrome may need to be more cautious and balance their intake with lean proteins like poultry, fish, legumes, and plant‑based proteins. Individuals with iron overload conditions (e.g., hemochromatosis) should monitor red meat intake due to its high heme iron content, which can exacerbate iron accumulation. Similarly, people with gout may experience flare‑ups triggered by high purine foods, including red meat; moderation and hydration are key to management. Pregnant women should ensure beef is cooked to a safe internal temperature of at least 145 °F with a 3‑minute rest to reduce risk of foodborne pathogens (Salmonella, E. coli) that can threaten maternal and fetal health. Additionally, those at risk for colon cancer may choose to limit red meat and especially processed meat, following guidance from cancer research organizations that suggest moderation.
❤️ Health Benefits
Supports Muscle Growth and Repair
Complete amino acid profile stimulates muscle protein synthesis.
Evidence: ModerateEnhances Iron Status
Provides highly bioavailable heme iron absorbed efficiently in the gut.
Evidence: StrongSupports Immune Function
Zinc and selenium are critical for immune cell function and antioxidant systems.
Evidence: Strong⚖️ Comparisons
Vs. Beef Ribeye Steak
Ribeye contains more total and saturated fat than tenderloin, resulting in higher calories but richer flavor.
Vs. Chicken Breast
Chicken breast has similar high protein but less iron and B12 than beef tenderloin.
🧊 Storage Guide
🏠
Counter
Not recommended
❄️
Fridge
Raw: 3‑5 days; cooked: 3‑4 days
🧊
Freezer
Raw: 6‑12 months; cooked: 2‑3 months
⚠️ Signs of
Spoilage:
- smell: Off, sour odor
- visual: Gray or green discoloration
- texture: Slimy or sticky film
- when to discard: Any mold or strong unpleasant smell
👥 Special Considerations
elderly
Why: Protein and micronutrients support aging body.
Recommendation: Lean steak can help preserve muscle mass.
athletes
Why: Supports muscle repair and recovery.
Recommendation: Consume as part of balanced protein plan post‑training.
children
Why: Provides iron and protein for development.
Recommendation: Offer appropriate portions of lean beef for growth.
pregnancy
Why: Protect maternal and fetal health by reducing foodborne illness risk.
Recommendation: Consume cooked to safe temperature (≥145°F) to avoid pathogens.
breastfeeding
Why: Supports iron and B12 for lactation demands.
Recommendation: Include lean beef as part of balanced diet for nutrient support.
🔬 Detailed Nutrition Profile (USDA)
Common Portions
1.00 steak
(117.00g)
3.00 oz
(85.00g)
| Nutrient | Amount | Unit |
|---|---|---|
| Water | 60.3800 | g |
| Energy | 211.0000 | kcal |
| Energy | 881.0000 | kJ |
| Protein | 30.5000 | g |
| Total lipid (fat) | 8.9100 | g |
| Ash | 1.3700 | g |
| Carbohydrate, by difference | 0.0000 | g |
| Fiber, total dietary | 0.0000 | g |
| Total Sugars | 0.0000 | g |
| Calcium, Ca | 13.0000 | mg |
| Iron, Fe | 3.2400 | mg |
| Magnesium, Mg | 18.0000 | mg |
| Phosphorus, P | 257.0000 | mg |
| Potassium, K | 350.0000 | mg |
| Sodium, Na | 57.0000 | mg |
| Zinc, Zn | 4.2100 | mg |
| Copper, Cu | 0.0920 | mg |
| Manganese, Mn | 0.0090 | mg |
| Selenium, Se | 25.2000 | µg |
| Vitamin C, total ascorbic acid | 0.0000 | mg |
| Thiamin | 0.0620 | mg |
| Riboflavin | 0.3950 | mg |
| Niacin | 5.6100 | mg |
| Pantothenic acid | 0.3560 | mg |
| Vitamin B-6 | 0.6870 | mg |
| Folate, total | 7.0000 | µg |
| Folic acid | 0.0000 | µg |
| Folate, food | 7.0000 | µg |
| Folate, DFE | 7.0000 | µg |
| Choline, total | 65.0000 | mg |
| Betaine | 9.3000 | mg |
| Vitamin B-12 | 4.1000 | µg |
| Vitamin B-12, added | 0.0000 | µg |
| Vitamin A, RAE | 7.0000 | µg |
| Retinol | 7.0000 | µg |
| Carotene, beta | 0.0000 | µg |
| Carotene, alpha | 0.0000 | µg |
| Cryptoxanthin, beta | 0.0000 | µg |
| Vitamin A, IU | 22.0000 | IU |
| Lycopene | 0.0000 | µg |
| Lutein + zeaxanthin | 0.0000 | µg |
| Vitamin E (alpha-tocopherol) | 0.1400 | mg |
| Vitamin E, added | 0.0000 | mg |
| Tocopherol, beta | 0.0000 | mg |
| Tocopherol, gamma | 0.0000 | mg |
| Tocopherol, delta | 0.0000 | mg |
| Vitamin D (D2 + D3), International Units | 3.0000 | IU |
| Vitamin D (D2 + D3) | 0.1000 | µg |
| Vitamin D3 (cholecalciferol) | 0.1000 | µg |
| Vitamin K (phylloquinone) | 1.6000 | µg |
| Vitamin K (Dihydrophylloquinone) | 0.0000 | µg |
| Fatty acids, total saturated | 3.5250 | g |
| SFA 4:0 | 0.0000 | g |
| SFA 6:0 | 0.0000 | g |
| SFA 8:0 | 0.0000 | g |
| SFA 10:0 | 0.0090 | g |
| SFA 12:0 | 0.0070 | g |
| SFA 14:0 | 0.2370 | g |
| SFA 15:0 | 0.0420 | g |
| SFA 16:0 | 1.9880 | g |
| SFA 17:0 | 0.0980 | g |
| SFA 18:0 | 1.1340 | g |
| SFA 20:0 | 0.0070 | g |
| SFA 24:0 | 0.0040 | g |
| Fatty acids, total monounsaturated | 3.9800 | g |
| MUFA 14:1 | 0.0900 | g |
| MUFA 16:1 | 0.3050 | g |
| MUFA 16:1 c | 0.2740 | g |
| MUFA 17:1 | 0.0750 | g |
| MUFA 18:1 | 3.4940 | g |
| MUFA 18:1 c | 3.0990 | g |
| MUFA 20:1 | 0.0160 | g |
| MUFA 22:1 | 0.0000 | g |
| Fatty acids, total polyunsaturated | 0.6130 | g |
| PUFA 18:2 | 0.4810 | g |
| PUFA 18:2 n-6 c,c | 0.3860 | g |
| PUFA 18:2 CLAs | 0.0440 | g |
| PUFA 18:3 | 0.0200 | g |
| PUFA 18:3 n-3 c,c,c (ALA) | 0.0200 | g |
| PUFA 18:4 | 0.0000 | g |
| PUFA 20:2 n-6 c,c | 0.0030 | g |
| PUFA 20:3 | 0.0210 | g |
| PUFA 20:3 n-6 | 0.0210 | g |
| PUFA 20:4 | 0.0710 | g |
| PUFA 20:5 n-3 (EPA) | 0.0040 | g |
| PUFA 22:5 n-3 (DPA) | 0.0130 | g |
| PUFA 22:6 n-3 (DHA) | 0.0010 | g |
| Fatty acids, total trans | 0.4770 | g |
| Fatty acids, total trans-monoenoic | 0.4260 | g |
| TFA 16:1 t | 0.0310 | g |
| TFA 18:1 t | 0.3950 | g |
| TFA 18:2 t not further defined | 0.0510 | g |
| Fatty acids, total trans-polyenoic | 0.0510 | g |
| Cholesterol | 93.0000 | mg |
| Tryptophan | 0.3090 | g |
| Threonine | 1.3000 | g |
| Isoleucine | 1.2850 | g |
| Leucine | 2.3770 | g |
| Lysine | 2.6410 | g |
| Methionine | 0.7460 | g |
| Cystine | 0.2810 | g |
| Phenylalanine | 1.1060 | g |
| Tyrosine | 1.0280 | g |
| Valine | 1.3780 | g |
| Arginine | 1.8780 | g |
| Histidine | 1.0340 | g |
| Alanine | 1.7100 | g |
| Aspartic acid | 2.6870 | g |
| Glutamic acid | 4.5090 | g |
| Glycine | 1.3570 | g |
| Proline | 1.2370 | g |
| Serine | 1.1350 | g |
| Hydroxyproline | 0.1880 | g |
| Alcohol, ethyl | 0.0000 | g |
| Caffeine | 0.0000 | mg |
| Theobromine | 0.0000 | mg |
Source: USDA FoodData Central (FDC ID: 170237)
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