Is drinking coffee with butter and oil the key to weight loss?

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Is Bulletproof coffee – coffee with butter and MCT oil – the key to weight loss? Hardly:

‘Based on scientific evidence, butter is not dangerous, but neither is it particularly nutritious,’ says Dr Harcombe, who is an expert in public health dietary guidelines. ‘So Bulletproof coffee isn’t unsafe, but I’d still urge caution.

‘What people need to realise is that if you start adding extra fat to your diet, you had better make sure that everything else you consume is very, very low in carbohydrates.

‘If you think you can have a Bulletproof coffee and then devour a muffin without any consequences, forget it, you will start to gain weight.

MailOnline: Is drinking coffee laced with butter and oil the key to easy weight loss? Company boss Angela swears it is (but find out what the health experts say)

A high-fat coffee instead of breakfast may be fast and delicious and full of energy. But it’s not the best way to lose weight.

Let’s say you just have a cup of black coffee for breakfast (intermittent fasting) or a small amount of milk in it. You may still end up feeling great (many people, including me, do) and you could still end up in ketosis (if you’re on a low-carb or keto diet) and you’ll certainly lose more weight. Plus, you don’t have to buy any expensive branded coffee or MCT oil products.

More

Keto for beginners

How to lose weight

Low-carb drink recipes

Intermittent fasting

59 comments

Top comments

  1. Johan
    Many people still don't get it; saturated fat is not the enemy. It is rather bad carbs. The medical and dietary professions stick to their idea that fat is responsible for cholesterol and cholesterol is responsible for heart attacks. This has been debunked so many times that it becomes sickening to hear it repeated again and again. If you want to improve your health then avoid fast foods and bad carbs, if not all carbs. Ketosis has been shown to reverse many diseases including diabetes, Alzheimers, heart disease and many more. In my case it prevented an operation on my hip. I barely even notice it any more. But how will they make money from us if we never get Ill. Not good for business. So they will keep on pushing their view and selling you drugs that will make you sicker and cause you to buy more of their drugs which will make you sicker ...
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  2. Vince
    I've wondered about Bulletproof coffee myself. While the idea might work for some people, the promoted benefits seem higher than is realistic. It's nice to see that I'm not alone in that perspective.

    Personally, I'd rather just have black coffee. There are many tastier ways to get those same calories.

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All comments

  1. Cathy
    Those with a PhD have the right to the "Dr" moniker. It is medical practitioners who have usurped the title. Unfortunately in English we use the same word for both, but in some other languages they are two completely different words. In Japanese, for instance, the title for a PhD holder is "Hakase" and you would never use this to refer to someone who is just a medical practitioner.
    Reply: #52
  2. Pete
    Referring to somebody simply as "Dr" on a health blog about a medical matter is not the same as what you have a right to do under some academic or societal convention. The distinction should be made explicit because of the very ambiguity in English that you acknowledge. Dropping the "Dr" and referring to her as Zoe Harcombe (PhD) is still accurate as well a being more transparent and less open to misinterpretation.
  3. Jessica
    Bulletproof coffee and fat bombs were created to help people who are in ketosis get enough fat, curb hunger and maintain the proper ratios of fat, protein and carbs. If you are consuming these things and then going on to eat a traditional diet, yes, you are going to gain weight. I know that Libby and Ditch The Carbs emphasizes this in her fat bomb recipes that this is NOT meant for people who eat a traditional diet.

    I find it disheartening that a website that promotes a low carb diet would publish such a one sided article. The whole point of the keto diet is to consume sufficent amounts of healthy fats so you feel satisfied and alert! I'm not sure what to think of this Diet Dr now.

    Reply: #61
  4. Gentiann
    I agree that it's rather confusing.
    I think that Zoe Harcombe is refering to the trend to drink bullet proof coffee regardless of the diet.
    There is nothing wrong with bpc as long as weight loss is going on or if people are slim in the first place.
    For others, it may be worth trying to skip the morning cup of bpc to allow the body to continue burning its own fat, without disturbing the overnight fasting state.
    This is just my personal interpretation.
  5. Lilly
    I don't believe in this any longer. We are not thermodynamic.
  6. mark
    i thought the whole point of bp coffee was to get enough fat in your diet to keep you in keto.. satiety and energy are additional benefits ..

    maintaining 70pc in relation to carbs is no problem - because i have virtually zero carbs, but often have too much protein

  7. zazie
    I believe it works as a meal replace on a keto diet, too. I have mine sometimes for late lunch and then only eat dinner. So I’m in a fasted state until then
  8. Sue
    Tried one this morning,don’t mind the taste, will see how it goes having one a day, find the diet confusing but I am very new with it
  9. Melissa Gonzalez
    I love the bulletproof coffee. It kills my hunger. Then I eat my salad with protein, or eggs and butter. I found that if I only did I tbsp of butter and a tablespoon of coconut oil, I would not be hungry all day, but would have major bad cravings at night. If I put 2 tbsps of butter and a tbsp of coconut oil in my coffee, I have no cravings at night - which was my major problem before learning about the keto diet from Diet Doctor. I am so grateful, thank you for creating this website resource!
  10. Helen Forrest
    Definitely worked for me!
  11. Anonymous
    Jessica
    Well said. I feel the article looks either cropped or cherry picked.
  12. Zena
    A simple black coffee may, indeed, keep you in a fasted state. From my own experience, however, a bullet proof coffee, drunk as late as possible, keeps me going without any hunger and with no compromise to my energy or concentration levels. I doubt very much if this article will have the slightest influence on those who have already experienced the benefits of a bullet proof coffee. It's also rather insulting to the intelligence - if people have used bullet proof coffee as part of their regime, it is hardly likely that they would follow it with a 'muffin'. Apart from anything else, they wouldn't need to. It's a shame if anyone is put off by this article but hopefully people will look beyond it. The fact that it had a link to the Daily Mail within it was enough to demonstrate to me that it was a load of cr*p.
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