Nutrition facts for a little less than ¼ pound (100 grams) of Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, all grades, raw.  
       
      
       
        
        
         
        
         
        
         
        
        
       
     
Beef, round, knuckle, tip side, steak, separable lean and fat, trimmed to 0" fat, all grades, raw 
 
 
  Calories  129 
  Calories from Fat 35   
   
   
   
  [1]    
   
 
 
 
 
 
 
 
 
 
 
 
 Nutrient Quantity Units  
Alanine   1.32  g Alcohol, ethyl   0.00  g Arginine   1.40  g Ash   1.09  g Aspartic acid   1.98  g Betaine   9.80  mg Caffeine   0.00  mg Calcium, Ca   5.00  mg Carbohydrate, by difference   0.00  g Carotene, alpha   0.00  mcg Carotene, beta   0.00  mcg Cholesterol   61.00  mg Choline, total   88.80  mg Copper, Cu   0.10  mg Cryptoxanthin, beta   0.00  mcg Cystine   0.28  g Dihydrophylloquinone   0.00  mcg Energy   129.00  kcal Energy   539.00  kJ Fatty acids, total monounsaturated   1.88  g Fatty acids, total polyunsaturated   0.28  g Fatty acids, total saturated   1.58  g Fatty acids, total trans   0.14  g Fatty acids, total trans-monoenoic   0.11  g Fatty acids, total trans-polyenoic   0.03  g Fiber, total dietary   0.00  g Folate, DFE   7.00  mcg_DFE Folate, food   7.00  mcg Folate, total   7.00  mcg Folic acid   0.00  mcg Glutamic acid   3.26  g Glycine   1.32  g Histidine   0.69  g Hydroxyproline   0.09  g Iron, Fe   2.22  mg Isoleucine   0.99  g Leucine   1.73  g Lutein + zeaxanthin   0.00  mcg Lycopene   0.00  mcg Lysine   1.83  g Magnesium, Mg   24.00  mg Manganese, Mn   0.01  mg Menaquinone-4   1.20  mcg Methionine   0.56  g Niacin   5.56  mg Pantothenic acid   0.76  mg Phenylalanine   0.86  g Phosphorus, P   215.00  mg Potassium, K   381.00  mg Proline   1.03  g Protein   21.69  g Retinol   0.00  mcg Riboflavin   0.18  mg Selenium, Se   31.40  mcg Serine   0.85  g Sodium, Na   61.00  mg Sugars, total   0.00  g Theobromine   0.00  mg Thiamin   0.07  mg Threonine   0.87  g Tocopherol, beta   0.01  mg Tocopherol, delta   0.01  mg Tocopherol, gamma   0.02  mg Total lipid (fat)   4.00  g Tryptophan   0.14  g Tyrosine   0.69  g Valine   1.08  g Vitamin A, IU   0.00  IU Vitamin A, RAE   0.00  mcg_RAE Vitamin B-12   3.07  mcg Vitamin B-12, added   0.00  mcg Vitamin B-6   0.62  mg Vitamin C, total ascorbic acid   0.00  mg Vitamin E (alpha-tocopherol)   0.17  mg Vitamin E, added   0.00  mg Vitamin K (phylloquinone)   0.20  mcg Water   73.25  g Zinc, Zn   5.23  mg 
References: 
Dr. Michael Colgan. "Optimum Sports Nutrition". 1993. National Cattlemen's Beef Association (NCBA). "Nutrient Content of Ground Beef". 2000   Chicago IL   National Cattlemen's Beef Association (NCBA). "Nutrient Content of Retail Beef Cuts with 1/8 inch Trim Beef". 2000   Chicago IL   National Cattlemen's Beef Association (NCBA). "Beef Value Cuts 2004". 2004   Chicago IL