luis is researching how he can gain muscle. he has come across the website www. protein4u. com. protein 4 u protein 4 u is a fast-acting and natural protein powder designed to help you gain muscle. it is pleasant tasting and dissolves easily into water or a favorite beverage. added to a weight-lifting or bodybuilding routine, protein 4 u will help you build muscle quickly and safely. but don't listen to us--listen to what our customers are saying: protein 4 u is the best product ever. it helped me gain muscle! the results were even faster than promised. in just two weeks, i started noticing the difference! i added it to my smoothie every day before my workout. i've tried protein shakes before, but this tastes and works better than any of them! which statement is a correct evaluation of the source?