Ну смотря какой коктель. Ну вот например про коктель с авокадо

_________________________________________________

In Avocados contain oleic acid, which lowers the level of cholesterol in the blood, and has pronounced antioxidant properties.

there is

one avocado
500 ml of milk
some liquid honey
optional raspberry syrup
or black currant jam
Method of preparation:

Ripe avocado cut in half. Spoon gently scrape the pulp and send it in a blender. To add the avocado half a liter of milk and quite a bit of liquid honey. Specifically for the sweet tooth, you can add a couple of tablespoons of black currant jam, or a little raspberry syrup. Mix everything in the blender for a minute or two.
____________________________________________________
  Bon appetite