\n<\/p>\n
However, Aisling Pigott, a registered dietician, and spokesperson for the British Dietetic Association (BDA), is critical. <\/p>\n
“Bulletproof coffee is not something I’d ever recommend, because it’s introducing extra calories and extra fat in a way that isn’t providing any other nutritional value,” she says.<\/p>\n
“There is no benefit to adding butter to your coffee. With a Bulletproof coffee-based breakfast you’re missing out on what you’re getting from a food-based breakfast – there is no protein, vitamins or minerals.”<\/p>\n
Mr Asprey says he is unconcerned by such criticism, and points to other health professionals who say that diets high in fat – and low in sugar – are good for you.<\/p>\n
“I had arthritis in my knees, I’d been diagnosed with chronic fatigue syndrome, I had cognitive dysfunction, I was at high risk of stroke or heart attack, I was pre-diabetic and I felt terrible all the time,” he says. “I undid all of that.”<\/p>\n
He adds that unlike more modern diets, his drink is based on ancient Tibetan custom. “I’m okay being part of a 4,000-year-old fad,” he says. <\/p>\n<\/div>\n