The current diet trend is a blend of butter and coconut oil in your cup of joe.
DRINK UP! No danger in drinking 4-5 cups of coffee per day
Supporters say this high-fat coffee is an energy boost.
But dietitians warn you're taking that coffee from 0 calories to almost 500.
Instead, they recommend balancing your java with fresh fruits or oatmeal for a similar energy kick.
'Pure poison' - Harvard professor issues warning about coconut oil