Costco carries several hidden superfood-packed items. From Greek yogurt to cacao powder, here are six nutritious picks.

A smoothie machine malfunctioned at the Costco in Marana which led to five people being transported to Banner Medical Center, ...

A Reddit thread and a popular Instagram post had some varied opinions on Costco's smoothie flavor. We want your opinion! Vote in our poll at the end of this story. Costco has swapped out its ...

Costco introduced a new strawberry banana smoothie to its food court menu in some locations for $3, and people are already picking up on the trend. The new smoothie appears to be replacing the ...