What is Impact Weight Gainer? Impact Weight Gainer has over 380 calories per 100g serving & is an ideal supplement for anyone looking to increase their daily calorie intake & improve body weight. The formula uses a blend of Ultra Fine Scottish Oats & Aktivated Barley¸ as well as combining whey protein isolate & milk protein concentrate which are fast & slow absorbing proteins making it ideal for immediately after a work-out or as supplement throughout the day. Impact Weight Gainer Benefits It has over 27g of protein per serving which will contribute to the growth & maintenance of lean muscle mass as well as providing over 300 calories per serving. Who is Impact Weight Gainer Suitable for? This is ideal for anyone looking to increase daily protein & calorie intake.