Russian Bear 5000 Weight Gainer is the premier product for bodybuilders wishing to add rock-hard, lean muscle mass. Russian Bear 5000 Weight Gainer provides:ZERO FAT Highest calorie content for body building – 5000 calories per serving! Highest protein content – 292 grams per serving! Highest biological quality pharmaceutical grade proteins, non-fat milk solids and egg white (albumin)Mega 46 grams of MCT’s! Convenient 4 lb sizeMost potent vitamin and mineral formula on the market, including with Colostrum, Sikadeer Antler Powder, Boron, Eleutherococcus, Inosine HXR and much more!