Starbucks' New Oil-Infused Coffee May Wreck Your Stomach

Starbucks' controversial Oleato coffee brand stars olive oil. In February, the business introduced olive-oil-infused beverages, but many 

consumers were skeptical. After their limited release last month, Americans are discovering that taste isn't everything.

"Apparently @Starbucks thinks I need help having diarrhea with this #oleato #coffee," one consumer tweeted last week.

Unfortunately, this customer is not alone in their new coffee drink experience. A Twitter user called Oleato a "legit laxative" last week.

A Starbucks employee posted on Reddit that several coworkers "needed to use the restroom, if ya know what I mean" after trying the drinks.

What caused this unpleasant side effect of Starbucks' olive oil coffees? Lauren Manaker, MS, RDN, LD, CLEC, a registered dietitian, author of The 

First Time Mom's Pregnancy Cookbook and Fueling Male Fertility, and member of our Medical Expert Board, thinks the customer who called the coffee

"Olive oil can have a slight laxative effect for some people," Manaker says. "And when olive oil is combined with caffeine

For those with constipation, Manaker said this may be beneficial. "Many beneficial health effects" have been found in consuming antioxidant-rich olive oil

Customers who don't want to run to the bathroom after drinking Starbucks' Oleato brand may want to reconsider their coffee order.