I can't tell you how many times I've gotten this question. It's no wonder it's asked so much with all the conflicting reports that are out there. One minute, coffee is good for you, the next minute it's bad. With weight loss, though, there's one answer that can always be given to the question of whether or not coffee is OK to drink.
The answer is no ... at least for the most part. I was going to say it depends, but I know people get tired of those responses, so I'll just come out and say it. If you're trying to lose weight, lose the coffee.
First off, there is a big difference between black coffee and Starbuck's coffee. For example, a Grande Carmel Macchiato, with 2% milk, gives you 240 calories and 4.5g of saturated fat. Even the nonfat milk version still gives you 190 calories, even though the saturated fat is down to 0.5g.1 The point is, I've seen so many people, who claim to be trying to lose weight, make Starbuck's a daily habit, sometimes more than once per day! When I used to work for a gym, I even saw some people carry Starbuck's with them as they worked out! So, if you're trying to lose weight, you know that calories mean everything. Drinking your calories is a big no-no. Even coffee creamers can add up. The average coffee creamer serving is around 15-20 calories. Most people I know add two creamers with each cup of coffee, so that's about 40 extra calories. Say you have 2-3 cups of coffee, or more, per day; those little creamers start to add up.
Second, the caffeine in coffee isn't conducive to weight loss. If you remember me talking about how important water is for weight loss, you remember that caffeine is a diuretic, and although research is starting to show that it's not as big of a diuretic as once thought, it's still a diuretic. This means that when the body starts to dehydrate, the kidneys start to decrease their function. When this happens, your liver has to pick up the slack. The liver is already your big fat metabolizer, so if it has to worry about doing the kidneys' job too, it obviously won't be able burn off fat as fast. This means that more calories will be stored as fat and less excess body fat will be burned off ... another bad thing when trying to lose weight.
Finally, some of you are probably saying, "But Dan, I drink black, decaffeinated coffee." Well, that's definitely a lot better than other options, and to be honest, maybe the antioxidant benefits found in coffee make drinking black, decaf coffee OK. My feeling is, you can get the benefits of antioxidants from other sources, such as fruits and vegetables, and because water is so vital to the body and fat loss, any drink that isn't water is just preventing your body from getting the proper amount of fluid ounces of water it needs. If you're getting the proper amount of pure water you need in a day, that's another story, but for the majority of people, we don't get the proper amount of water our body needs everyday.
I know it can be extremely hard to give up coffee, so if you need to, start small. Maybe just try giving it up for one day a week. Once you do that, shoot for two days, etc. The sooner you can give it up completely, and I know it won't be easy, but the sooner you can, the sooner you can make another step in the right direction with your weight loss efforts.
Resources:
1“Nutrition Information from Starbuck's Menu”, provided by the company website, http://www.starbucks.com/retail/nutrition_info.asp, accessed July 31, 2008.






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