The calorie content of beef varies significantly based on the cut, cooking method, and fat content:

Lean Beef Cuts (per 100g):
• Tenderloin/Filet Mignon: 144 calories
• Eye of Round: 149 calories
• Sirloin (lean): 158 calories
• Strip Steak: 155 calories

Marbled Beef Cuts (per 100g):
• Sirloin (marbled): 271 calories
• Ribeye (marbled): 384 calories
• Brisket (fatty): 332 calories

Ground Beef (per 100g):
• 90/10 (lean): 176 calories
• 80/20 (regular): 254 calories
• 73/27 (high fat): 293 calories

Use our calories burned calculator to determine how much exercise you need to burn off your beef calories.

Cooking Method Impact on Calories

Grilling & Broiling: Reduces calories by 10-12% through fat dripping
Pan-Frying: Increases calories by 5-8% due to oil absorption
Braising & Stewing: Reduces calories by 15-17% through moisture cooking
Sous Vide: Minimal calorie change (5% reduction) with maximum nutrient retention

Track your daily intake with our macro calculator for optimal nutrition planning.

Complete Protein Profile

Beef provides all nine essential amino acids, making it a complete protein source. A 100g serving of lean beef contains:

Macronutrients:
• Protein: 24-27g (high biological value)
• Fat: 3-31g (varies by cut and marbling)
• Carbohydrates: 0g (naturally carb-free)

Essential Amino Acids (per 100g lean beef):
• Leucine: 1.7g (muscle protein synthesis)
• Lysine: 1.9g (collagen formation)
• Methionine: 0.6g (methylation processes)
• Threonine: 1.0g (immune function)

Calculate your daily protein requirements and see how beef fits into your nutrition plan.

Micronutrient Powerhouse

Heme Iron: Beef provides 2.5-6.2mg per 100g of highly bioavailable heme iron, which is absorbed 2-3 times more efficiently than plant-based non-heme iron.

Vitamin B12: Essential for nerve function and DNA synthesis. Beef liver contains the highest concentration (59.3µg per 100g), while muscle meat provides 2-3µg.

Zinc: Critical for immune function, wound healing, and protein synthesis. Beef provides 4-7mg per 100g. Monitor your overall nutrition with our glycemic index calculator when planning balanced meals.

Ketogenic & Low-Carb Diets

Perfect Keto Food: Beef is naturally carb-free and provides high-quality fats and proteins essential for ketosis. Fattier cuts like ribeye provide optimal fat ratios for keto dieters. Calculate your keto macros to determine ideal beef portions.

Satiety Factor: High protein and fat content promotes satiety, naturally reducing calorie intake and supporting weight loss on low-carb diets.

Electrolyte Support: Beef provides potassium and sodium, helping maintain electrolyte balance during ketosis adaptation.

Paleo & Carnivore Diets

Ancestral Nutrition: Beef has been a primary human food source for millennia, providing essential nutrients difficult to obtain from plant sources alone.

Organ Meat Benefits: Beef liver provides the highest concentration of vitamin A, B12, and folate. Include organ meats 1-2 times per week for optimal nutrition.

Grass-Fed Advantages: Grass-fed beef contains higher omega-3 fatty acids and conjugated linoleic acid (CLA) compared to grain-fed alternatives.