If using to boost a tame, make sure to initiate the tame first by adding food to the inventory, otherwise nothing will happen.

Sanguine Elixir. What a Funny Name.

This stuff is really overpowered. It increases taming or imprinting percent by thirty percent if you eat this in the Dino you are taming/imprinting. The blood packs you need to craft it is easy to get if you have a high level Desmodus.