My friends they use to called me skinny and yes it true I was skinny before. After I found out this Nutrilite Protein Power even though I am not sure yet whether it shall give me some nutrition regard gain mass I am kind of confused. I remembered after 1week of using this product there was a progressed in my mass gaining, so later I proved something is under changed my physical fitness. I gained couple of grams in my body formation and realized that Nutrilite protein Powder give me the best result compared to any others. Before my weight was 56 kgs and after using this best product it changed me alot I gained 67 kgs in the duration just 5months. Try this product those who are skinny, just like me before.