.73 to .78 grams of protein per pound of bodyweight per day. In this category that 180 pound person would need 131 to 140 grams of protein each day. ENDURANCE &TRENGTH TRAINING is the same as strength training. .73 to .78 grams of protein per pound of bodyweight per day. In this category that 180 pound person would need 131 to 140 grams of protein each day. If you're a VEGETARIAN it is suggested you increase your protein intake above suggested levels by another 10%.