Does consuming caffeine aid weight loss or deter it?

Does consuming caffeine aid weight loss or deter it?

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  1. Huh, why? If anything, there appears to be (weak) evidence that caffeine can boost weight loss through its appetite supression and thermogenesis (calorie burning) effects.[1] Personally I lost weight while drinking 2-3 cups of esspresso a day.
    Losing weight is about burning more calories than you consume. You can eat any food in moderation and still l…

  2. from what I experience…not really, read why;
    Caffeine indirectly contribute on how long I can extend my workout time, thus contribute to the amount of calorie I burn, this is what I assume and there were no scientific experiment I’ve ever done, however based on my workout diary whenever I consume caffeine for certain period before my workout, I can achieve better result in weight loss.
    the caffeine that I mention here come from caffeine tablet or stimulant like Jack3D, sometimes black coffee (freshly brewed coffee i.e hot water + freshly ground coffee) or pu-erh tea
    Caffeine should also increase your body metabolism which may contribute to weight loss, note that there were a lot off factor which involved here, however the simple rule of thumb is that “the number of calorie intake < the number of calorie burn in certain period" will cause a weight loss and someone rarely consume caffeine solely where milk, sugar, salt often involved to satisfy your tongue.

  3. No.
    Why would you think that?
    It’s a stimulant.
    Its stimulates your mind and body – it doesn’t stimulate fat burning .
    If you must have coffee – take it black and no sugar.

  4. No. Caffeine is a neural stimulant but it does not help you lose weight if you are not reducing your calorie intake or increasing the amount of exercise you are getting.

  5. Drinking coffee is good for health because it regulates metabolism.However coffee contains caffeine and if you take caffeine through coffee more than required amount of per day (1 or 2 cups per day) it will leads to negative effects on sleep ,on brain , on venual system and on heart eventually results in negative impacts on weight.But as I said before it is a supportive drink for weight loss also if it is taken properly according to required amount of caffeine.

  6. Caffeine can actually have an adverse effect on weight loss. Caffeine causes your body to produce more of the stress hormone which actually causes your body to store fat thus negating any tiny thermogenic effect. This is what I have read several times. I have also talked to many personal trainers who have advised me to cut out caffeine and I can only surmise that must be the reason.

  7. If caffeine were the miracle weight loss drug that many magazine ads imply that it is, I should be as slim as the proverbial rail. I’m not.
    But I presume you’re looking for more solidly grounded clinical studies than my personal experiences. As they say, the plural of anecdote is not data.
    In fact, people have been probing the effects of caffeine on weight loss for many decades now, in studies both well-designed (the minority) and self-serving. One conclusion is obvious: if caffeine truly played a significant role in weight loss, there would not be the controversy over its effects that still exists today.
    But let’s be optimistic, shall we, and consider the possible mechanisms by which might help in a weight loss program, beyond that of a sometimes tasty placebo.
    Probably the most realistic effect of caffeine is to increase thermogenesis, specifically non-shivering thermogenesis, the process by which the body creates heat. Through by-passing the mechanism by which the body stores energy and instead dissipating it as heat, thermogenesis can result in weight loss. Many drugs (or “natural” substances which act as drugs) can increase thermogenesis, and caffeine is among these.

    As a result, thermogenesis is one of the words that appears frequently in those graphically-dense newspaper and magazine ads that usually feature a picture of a comforting, white-coated model from a stock photo agency. The real question, however, is by how much does caffeine increases thermogenesis at consumption levels that are reasonably safe and not disruptive to daily life.
    The answer appears to be “not much”. Some weight-loss experts (the kind that do actual laboratory and clinical research) suggest that the increase may be about four or five percent, less than can be achieved with some very modest exercise. More disturbing, is that the resultant more active metabolism may be offset by an increase in appetite which, if not controlled by willpower, could swamp the desired effect. (Evolution has made the body pretty good at insuring a food supply at least adequate for activity level.)
    There are a few studies suggesting that very high caffeine levels may help in weight loss, but these were in conjunction with a significantly calorie-restricted diet, which is not the regime most diet pills promise in their ads.

    On the other hand, caffeine does appear to increase the thermogenetic properties of some other substances. Amongst those most currently popular is green tea, accounting for the green tea extract that is often included with caffeine in over the counter weight loss products. Still, the effects are pretty modest and were found to be mostly beneficial for weight maintenance rather than dramatic weight loss. Indeed, a cup of caffeinated coffee in the morning along with few cups of green tea daily may do just as well as many OTC diet pills in this regard.

    Ephedra, a mixture of alkaloids derived from the plant species of the same name, also increases thermogenesis and that effect is increased, perhaps synergistically, by caffeine. Ephedra under the name ma huang is used in traditional Chinese medicine, and some varieties can be brewed as so-called “Mormon tea”. Though one fairly good study suggests that the ephedra and caffeine combination doubled weight loss over a six month period compared to a placebo, adverse side effects from ephedra can range from minor (heartburn, insomnia, and increases in blood pressure and heart rate, for example) to heart attacks, strokes and suspected ephedra-related deaths, a kind of permanent weight loss solution. Because of that, the Food and Drug Administration banned ephedra from supplements in 2004, though occasionally it creeps back via obscure “natural” ingredients. In any case, weight loss achieved with ephedra/caffeine combinations were often transitory, with weight gains occurring after the drugs were stopped.
    Other effects of caffeine often cited in weight loss discussions include appetite suppression and water loss. The former is debatable: some studies say it does and others say it doesn’t. Water loss—many people recognize coffee as a diuretic—is not fat loss and is also transitory.
    Bottom line: as long as you have no contraindications related to caffeine, it can’t hurt as part of a real weight loss plan involving calorie reduction and exercise. In combination with the substances in green tea, it may work slightly better. Getting caffeine from “natural” sources may be preferable than diet pills, both because it will likely limit dosages to reasonable and easily self-regulated levels, and because some diet pills may contain other substances of questionable safety or efficacy.

  8. Caffeine will act as an appetite suppressant in most people–this is largely why I have developed the probably not-so-healthy habit of having a cup or two of coffee for breakfast!
    But the effect is only temporary, and most people will simply wind up eating more later on–for those people, it may actually deter weight loss. A balanced, moderate diet and regular exercise are the best weight loss tools and probably always will be. Caffeine can be useful for getting you through a hectic morning and a busy lunch hour, but thinking of it as a weight loss aid is unhelpful at best.

  9. If you are drinking coffee instead of sodas or fruit juices, definitely. Black coffee has no calories and does not contribute to fat storage. It may provide some extra energy that burns blood sugar, but generally it is because it is a substitute for fat producing drinks.


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  11. Caffeine won’t stop you from losing weight. However, if you’re drinking sodas, or loading your coffee with cream and sugar, that’s a different story. I’ve even heard that caffeine can boost your metabolism, which would actually help with weight loss.


  12. If it helps you stay in a calorie deficit, sure. No food is good or bad for weight loss. It’s all about taking in less food than you burn. Caffeine has been shown to suppress appetite in some people. If you’re one of them, it will help you stay on track. It’s low calorie—provided you don’t add loads of cream and sugar.
    Basically, if you enjoy drinking it, go for it. If you don’t, don’t force yourself just because you think it’ll melt pounds or something. It’s all about the deficit.

    Eight O’Clock

  13. Dr. Jim Stoppani (of whom I’m a big follower) is a huge proponent for caffeine to create weight loss (Google him – he’s pretty famous in the bodybuilding world). He even recommends 600 mg of caffeine per day! (That’s 6 cups of coffee!).
    I don’t take that much, I’ll usually have around 250 mg per day when trying to lose weight. But caffeine definitely does help the process.

    It suppresses your appetite (I’ve noticed this only lasts a while for my body type, so I’ll take small doses frequently instead of one huge shot when I can).
    You’ll be eating less (especially carbs, which normally provide your body with energy), and therefore caffeine can work as a 0 calorie replacement for lost energy.
    It’s extremely cheap. No need to break the budget to lose weight, coffee or caffeine pills are incredibly cheap.
    Good luck!

  14. Coffee is one of the most popular beverages in the world.
    However, the effects of coffee on weight management are mixed.
    Its benefits include appetite control and improved metabolism, which could aid weight loss.
    Yet, coffee contains caffeine, which may lead to poor sleep and more sugar cravings in certain individuals — both factors which may negatively impact weight. In addition, many coffee beverages contain added sugar and excessive calories.
    Coffee is low in calories
    When trying to lose weight, you have to create a calorie deficit. You can do this either by increasing physical activity or consuming fewer calories.
    An easy way to reduce calorie intake is to choose lower-calorie beverages. For example, replacing just 1 cup (240 ml) of a high-calorie, sugar-sweetened beverage with the same amount of water may lead to over 4 pounds (1.9 kg) of weight loss over 6 months
    By itself, coffee is a very-low-calorie beverage. In fact, 1 cup (240 ml) of brewed coffee has only 2 calories .
    However, coffee only contains this minuscule number of calories if you drink it black — without adding sugar, milk, or any other ingredients.
    If you’re attempting to reduce your total calorie intake, replacing high-calorie beverages — such as soda, juice, or chocolate milk — with plain coffee may be a good place to start.

  15. It’s saving my life during my diet. Coffee doesn’t break a fast, and black, has net zero calories. It promotes digestion at least and offers an energy boost.

  16. Why would you do that? There’s no evidence suggesting that caffeine is detrimental to weight loss, if anything there’s some minimal evidence suggesting that caffeine can be helpful. That doesn’t mean you should swing to an extreme on drinking extra, though. Drink your coffee as you already do, there will be no negative side effects on your weight loss due to it.
    That said, if you’re consuming soda, diet or regular, then yes, you should avoid that form of caffeine in order to help you lose weight. The calories in regular soda are wasted calories and the chemicals in diet sodas have been shown to hinder, slow down or even reverse weight loss. Also, avoid energy drinks like the plague, they’re unnecessary and definitely aren’t good for you.
    If you’re consuming coffee or tea, then keep at it, there’s no harm in it.

  17. It will definitely aid in weight loss. But don’t over do it. There is a reason why caffeine is the main active ingredient in almost all fat burners. Not only does it curb appetite, it makes you move more which burns more calories.

  18. It is commonly known that caffeine raises the resting metabolic rate in humans. A higher metabolism = more energy consumed. The premise is that the body will go for stored energy if that is what is available. Stop here if that’s all you want to know.
    The more complicated part of the physiology in consuming caffeine and the aid/impairing of weight loss has to do with the effects on insulin/cortisol release and the more complex ATP-ADP cycle. According to this preliminary study, The effects of caffeine on ATP-sensitive K(+)… [Br J Pharmacol. 2000]
    Caffeine may inhibit the recycling of ADP back to ATP. To create ATP from scratch, the body must first breaking down the various proteins, triglycerides, fatty acids and sugars into their constituent parts, and then the mitochondria must build up ATP from these components using its enzymes ATP Synthase during the ‘Kreb’s Cycle.’
    The liver metabolizes the caffeine, changing it into three different substances:
    Theobromine (12%), Theophylline (4%) and Paraxanthine (84%) which increases fatty acids and in blood plasma which is converted into glucose by the liver and provides energy for cellular metabolism.
    In 2005, Kevin J Acheson published ‘Caffeine and insulin sensitivity.’
    This is the abstract: ‘A number of reports have observed that acute caffeine ingestion decreases glucose tolerance and insulin sensitivity, and have raised the question whether its increased consumption throughout the world in the form of coffee and cola beverages might be of public health concern in the development of type 2 diabetes. Although some epidemiologic studies have found strong associations between coffee intake and detrimental lifestyle factors that favor obesity and diabetes, it is interesting that in spite of this, they have demonstrated that increased coffee consumption is associated with a decreased risk of developing type 2 diabetes. When lifestyle confounders are taken into account, individuals consuming >/=6 cups coffee per day have at least 50% less risk of developing type 2 diabetes than those consuming So, the study refuted prior assumptions about coffee intake and weight loss/gain. Apparently there is a lot of ongoing debate on the mechanisms of how this works.
    Granted, the study above used the much more complex caffeine source of coffee rather than just caffeine, so here is a separate study that used strictly caffeine:
    that concludes ‘Caffeine can decrease insulin sensitivity in healthy humans, possibly as a result of elevated plasma epinephrine levels. Because dipyridamole did not affect glucose uptake, peripheral adenosine receptor antagonism does not appear to contribute to this effect.’
    Check out this website – I think it has some very good information.
    Insulin Sensitivity: Why You Can’t Blast That Fat For Good! If you can find the January 2013 issue of Flex magazine, there is an article on page 118 by John Keifer that goes into the manipulation of caffeine against diet and exercise. For us regular folks, there is relevant information there.
    The above sources deal with insulin sensitivity . Let’s talk about insulin resistance , the real bane of those trying to lose weight.
    Insulin resistance is when your body doesn’t utilize insulin like we think it should – it is the method that glucose is delivered to cells. Glucose is the primary fuel for muscle and tissue in the human body. So does caffeine aid weight loss or deter it? I’d say it can help if used properly.
    Caffeine has been shown to increase resting metabolic rate for few hours until it is eliminated from the body, and the accompanying rise in cortisol – a catabolic hormone – lasts for just under an hour. If during that time you are consuming carbs – simple carbs are the worst – since it is an enabler of Catabolism , which is part of the process for Anabolism , as in ‘anabolic steriods.’ That’s what some athletes take to build muscle and strip fat – when they also watch their diets. If you are not eating carbs, the cortisol goes looking for other energy sources – so your stored body fat is next, provided you have the protein needed to create new muscle. If you are feeding yourself a steady supply of caffeine while engaging in a poor diet and no exercise, you are going to gain weight. If you are mindful of the timing of consuming caffeine and working out/eating, you can expect to lose weight.
    It has more to do with the immediate effect of caffeine on insulin/cortisol/ATP levels, and what we eat or exercise while that phase of the Krebs/metabolic cycle is occurring. It could very mean that the caffeine will amplify the effect of your diet and exercise – or lack of – program. For gain or loss.

  19. Caffeine can help you to control your hunger, and as a result, you will eat less food and calories and it will make your diet easier.
    2–3 cups of black coffee x a day is my way to go:)


  20. Caffeine may slightly boost weight loss or prevent weight gain, but there’s no sound evidence that increased caffeine consumption results in significant or permanent weight loss.

  21. Base on my experience, caffeine just totally ruin my metabolism! Caffeine caused your adrenals to spike up and push your body into stress, so my body starts depositing the foods as fat instead of burning it! They became a metabolism killer for me. So for me, no. It cannot aid weight loss

  22. Coffee is a diuretic; which means it causes you to have to void alot; staying hydrated is important.
    Now, a black cup of coffee offers very little n the way of calories, but beware of any additions such as what you could get at Starbucks; white mocha, whipped cream, caramel drizzle, etc.
    Those additions add up after awhile, when the average starbucks 16 oz (medium) drink is about 300 calories.

    Victor Allen’s

  23. Remember back in the day when everyone smoked and not as many people were obese?
    Substitute cigarettes for black coffee.
    Caffeine can aid in weight loss, but only in the way that you’re using a stimulant to make yourself less hungry. Not a good long term plan. Especially if the caffeine also has sugar, cream, and mocha…
    Just another biased opinion from a SoCal doc….


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