Costco's own Kirkland brand ... it's the best type of non-dairy milk to use for frothing — Costco still has you covered. The wholesale chain also carries Califia Farms almond milk, which is ...

The plant milks VRG found with the most calcium in an 8-ounce serving were Kirkland Signature Almond Non-dairy Beverage, Califia Farms Original Protein Oatmilk, and Silk Original Protein Oatmilk.