Please note that some other products, including energy drinks, supplements, mints and some medications, contain caffeine. Read the label of the product you are about to consume carefully.
Medical experts caution pregnant women to limit caffeine intake to 200 mg per day to avoid lower birth weights and risk of miscarriage.
Coffee & Health also advises all people to take moderate amounts of caffeine to avoid unpleasant side effects:
As with many elements of our daily diet, over-consumption may in some people lead to unwanted side effects. Most people consume a level of food or drink that they are comfortable with and therefore would not experience such effects. However, those who do not self-moderate their intakes of caffeine, may experience feelings of anxiety, hyper-activity, nervousness and sleep disturbance.
Factors like age, body type, your build, genes, if you eat food with coffee, medication and tobacco can all affect how long caffeine stays in your system.
You can learn more about this in “How long does it take for caffeine to kick in.”
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Some research has suggested that caffeine may stimulate thermogenesis - a scientific name for the way your body generates heat and energy from the calories in your food; but nutrition experts say that this effect probably isn't enough to produce significant weight-loss. Caffeine may also reduce your desire to eat for a brief time, but again, there's no good evidence over the long-term that this effect leads to weight-loss. To date, no conclusive clinical studies have been done to determine the long-term effect of caffeine on weight loss, and the smaller studies that have been done show a lot of variability in the outcomes.
Want to hear something shocking?
Having your caffeine fix first thing in the morning will NOT perk you up.
But the good news is, you no longer need to make that sluggish early morning trip to the coffee-maker daily, nor join that long rush hour queue in your go-to café.
If you’re wondering whether we’re pulling some sick April Fool’s joke in the middle of August, there’s actually scientific evidence to all of this.
If you’re trying to lose weight (or at least not gain a few extra pounds), then the best thing to do is eat healthy and go to the gym more religiously, right?
But if you’ve been going at it for a while now and haven’t been seeing much progress, then you may want to look into something else.
Like your coffee consumption.
Now you may ask: what does an innocent cup of joe have to do with weight gain?
Let me tell you.
It’s not as innocent as it seem.
That cup of coffee you buy on your way to work? It may be sneaking in a few extra calories (more than you’d like and expect). And if you buy more than one cup a day, you may be racking up a few calories from a “dessert” that disguises itself as your go-to caffeine fix.