I used coconut almond milk instead of vanilla just because I had some on hand, but the coconut butter didn't seem to mix in super well with the smoothie. (aggieskitchen.com)
I just didn't think coconut almond milk would taste good and I had no more room in the fridge for a third type of milk. (thebloomingplatter.com)
I do drink coconut almond milk and drink a protein shake with soy. (thyroidpharmacist.com)