Our Impact Weight Gainer Formula utilises two of the best carbohydrate sources currently available in Ultra Fine Scottish Oats amp Aktivated Barleyamp 174 offering a quality blend of low GI glycemic index complex carbohydrates. Due to their slow absorbing nature these carbohydrates supply a sustained release of energy throughout the day impacting less on your blood sugar levels. Weight Gainer Elite also combines two fantastic protein sources in Whey Protein Isolate & Milk Protein Con