If you want to Best Protein Powder for Weight Loss Male, aim for a daily protein intake of between 1.6 and 2.2 grams of protein per kilogram of body weight (. 73 and 1 grams per pound). Athletes and heavy exercisers should consume 2.2-3.4 grams of protein per kilogram (1-1.5 grams per pound) if aiming for weight loss.