Glyco-Gen Energy Shake Mix 2# Bag Glyco-Gen Shake Mix and Bones contains only 3 ingredients (maltodextrin, whey and vanilla) simply supplying energy to your dog when your dog needs it most! Packed in a resealable Mylar bag One tablespoon per 10 pounds of dog body weight added... MSRP: Was: Now: $39.99 Add to Cart