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Caffeine, to stay up and lucid late or to wake up more effectively in the morning. This is what they say about caffeine forgetting about all other beneficial effects that this substance has. It is important to know them, without hiding the fact that they should not be abused and that for some categories, it is definitely to be avoided. There is immediately a rumor to be denied, explaining that the tea leaves contain nearly double the caffeine than coffee seeds. It is the extraction method that overturns the doses.
Caffeine: what it is
It is a substance that belongs to a group of compounds widespread in plants: the alkaloids - It is obtained by extracting it in most cases from coffee and to be precise it is a purine alkaloid exactly like theophylline, obtainable from tea, and like the theobromine, obtained from good cocoa.
In truth we find Caffeine only in coffee, those who want to avoid it know well. Looking carefully at the labels, check in Coca Cola, in chocolate and in many of those Cola-based energy drinks. Yerba mate contains a large amount of it and also some herbal products such as guarana. Caffeine can also be present in drugs, just think about how much there is in analgesics and various anti-cellulite products. If you love Caffeine but cannot take it in the quantities you would like, here is its molecule to always carry with you. On Amazon for 15 euros.
Caffeine effects: benefits
Exactly as atropine, nicotine, strychnine, morphine and the other alkaloids, la Caffeine it acts on animals even at very low concentrations, so much so that it is thought that the reason why it is found in plants is to try to defend against the onslaught of herbivores. Like all other animals, we too are affected by caffeine, for better or for worse, for its beneficial effects and also for its side effects.
For athletes the properties of this substance are valuable: taking it even modest doses, from 200 to 400 mg, before a race, they can be heard more attentive and focused and their resistance also improves. To experience the beneficial effects of caffeine it is not necessary to drink coffee even if a single cup contains 85 mg. You can also "refuel" with a can of Coca Cola, 35-40 mg, with a cup of tea, 28 mg / 150 ml, 100mg of cocoa.
Caffeine: slimming effects
When you think about caffeine, it connects the idea of waking up and also that of losing weight. In reality it does not make you lose weight, what we can say is that it stimulates the basal metabolism in an accentuated way. Five or six cups of coffee increase it by 10-15%. In practice, if coffee is consumed even without exaggerating, every day, on average you get to consume 100-500 calories more. This is an estimate that must then be adapted to our build, our size and how much we absorb.
Anyone who is particularly attentive to the line will know that caffeine is also present in numerous cosmetics to treat cellulite and localized fat deposits. In this case it is spread and not swallowed.
Caffeine: vascular effects
Among the numerous effects of caffeine there are many that concern the cardiocirculatory and respiratory systems, for example it can increase the body metabolism but also the heart rate, blood pressure and the number of breaths. This involves a increased blood oxygenation. The effects on the nervous system are intuitive, coffee and its ilk make us excitable, they improve our reflexes, they help us to concentrate and also have an analgesic effect.
Taking on caffeine in good quantity we will notice then that it increases the diuresis, if we exaggerate, we can also suffer from it. For this it is best that people suffering from esophagitis and gastroesophageal reflux do not ingest it, stomach ulcer, anemia, hypertension, tachycardia, arrhythmias and osteoporosis.
Caffeine: effects on the intestine
The intestine also feels the effects of this alkaloid so loved by some, so much avoided by others. Due to the way its molecule is structured, it is absorbed in the intestinal tract very quickly. This leads to peaks of concentration and excitement after a few minutes of taking, the peaks of plasma concentration arrive already one hour after its ingestion but after 3-6 hours the levels return to normal almost halving.
Caffeine also manages to penetrate to the placenta, which is why it is not recommended to take it in large doses both during pregnancy and during breastfeeding.
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