Many people don't follow this approach because keeping track of everything you consume is not trivial to do.

WeightWatchers is a system for people trying to get slim.

Don't forget to keep track of how many points you use up every week, so that you can stay on track with the WeightWatchers points daily budget.

According to a paragraph memorialized on Wikipedia, WeightWatchers would assign 5 points to beef, top loin filet, boneless, separable lean only, trimmed to 1/8" fat, choice, cooked, grilled. The largest contributor to this number is 28.990 grams of protein.

LeanWagon can help a WeightWatchers members stick to their plan, by offering convenient online social weight loss support for free.

Nutrients:
Protein: 28.990 g
Total lipid (fat): 9.480 g
Carbohydrate, by difference: 0.360 g
Ash: 1.170 g
Energy: 203.000 kcal
Water: 60.000 g
Energy: 848.000 kJ
Calcium, Ca: 17.000 mg
Iron, Fe: 2.040 mg
Magnesium, Mg: 25.000 mg
Phosphorus, P: 233.000 mg
Potassium, K: 374.000 mg
Sodium, Na: 62.000 mg
Zinc, Zn: 5.640 mg
Copper, Cu: 0.095 mg
Selenium, Se: 34.300
Vitamin A, IU: 5.000 IU
Retinol: 1.000
Vitamin A, RAE: 1.000
Vitamin D: 5.000 IU
Vitamin D3 (cholecalciferol): 0.100
Vitamin D (D2 + D3): 0.100
Thiamin: 0.077 mg
Riboflavin: 0.148 mg
Niacin: 8.553 mg
Vitamin B-6: 0.603 mg
Folate, total: 7.000
Vitamin B-12: 3.570
Vitamin K (phylloquinone): 1.600
Folate, food: 7.000
Folate, DFE: 7.000
Tryptophan: 0.343 g
Threonine: 1.424 g
Isoleucine: 1.417 g
Leucine: 2.596 g
Lysine: 2.891 g
Methionine: 0.804 g
Cystine: 0.302 g
Phenylalanine: 1.207 g
Tyrosine: 1.129 g
Valine: 1.499 g
Arginine: 2.022 g
Histidine: 1.108 g
Alanine: 1.807 g
Aspartic acid: 2.913 g
Glutamic acid: 4.940 g
Glycine: 1.302 g
Proline: 1.264 g
Serine: 1.225 g
Hydroxyproline: 0.146 g
Cholesterol: 85.000 mg
Fatty acids, total trans: 0.363 g
Fatty acids, total saturated: 3.361 g
10:0: 0.005 g
12:0: 0.006 g
14:0: 0.196 g
16:0: 1.878 g
18:0: 1.180 g
20:0: 0.003 g
18:1 undifferentiated: 3.634 g
18:2 undifferentiated: 0.251 g
18:3 undifferentiated: 0.015 g
20:4 undifferentiated: 0.045 g
22:6 n-3 (DHA): 0.001 g
14:1: 0.052 g
16:1 undifferentiated: 0.253 g
20:1: 0.014 g
20:5 n-3 (EPA): 0.005 g
22:5 n-3 (DPA): 0.010 g
Fatty acids, total monounsaturated: 4.011 g
Fatty acids, total polyunsaturated: 0.317 g
17:0: 0.092 g
24:0: 0.012 g
18:1 t: 0.363 g
18:2 CLAs: 0.023 g
18:1 c: 3.272 g
18:2 n-6 c,c: 0.228 g
18:3 n-6 c,c,c: 0.015 g
17:1: 0.058 g
Fatty acids, total trans-monoenoic: 0.363 g