Detailed text transcripts for TV channel - KGO - 20140828:10:20:00
>> reporter: the creator, dave asbury, claims his concoction high in healthy fats increases immunity, cognitive function and promotes weight loss. the question is is there enough proof to go bulletproof. >> we don't have enough research to support it being, something that is good for us in the long term. >> reporter: let's weigh the numbers. one cup of coffee contains 460 calories, equivalent to a fast food double cheeseburger and 52 grams of fat or same amount of fat in 12 medium eggs. meaning bulletproof may not be the most fail-proof weight loss strategy. >> are they changing their diet to ...