Caffeine capsules is a dietary supplement, which serves as a brain stimulant, ideal for improving performance during studies and work, as well as being widely used by fitness practitioners and athletes, to activate metabolism and give disposition.
In addition, caffeine capsules stimulate weight loss, as accelerated metabolism causes the body to waste more energy and increase fat burning.
- This supplement can be purchased from pharmacies.
- Food supplement stores or natural products.
- And its price ranges from R$30.
- 00 to R$150.
- 00.
- As it depends on the caffeine dosage.
- Brand name of the product and the store it sells.
The use of caffeine in capsules has the following effects
For caffeine to have better weight-loss effects, ideally it is associated with the practice of physical activities and a balanced diet, rich in lean vegetables and meats, and low in fats, chips and sugars. Check out some detox juice recipes to speed up metabolism and detoxify the body.
The maximum recommended safe intake is about 400 mg of caffeine per day, or 6 mg per kilo of a person’s weight, so up to 2 caffeine capsules of 200 mg or 1 in 400 mg per day can be used, for example.
Its use can be divided into 1 or 2 daily shots, preferably after breakfast and after lunch. It can also be used in the afternoon before physical activity, but should be avoided at night as it can disrupt rest and sleep.
It is also recommended to consume the caffeine capsule after a meal, to reduce stomach irritation.
The side effects of caffeine are brain stimulation, which causes irritability, restlessness, insomnia, dizziness, tremors and an accelerated heart rhythm; it can also have an irritating effect on the stomach and intestine, which can cause nausea, vomiting and diarrhea.
Caffeine leads to tolerance, so it may be necessary to increase dosages to cause the same effect over time. In addition, it also causes physical dependence, as some people who consume it daily may experience withdrawal symptoms when they stop using it, such as headaches, fatigue. irritability. These effects take 2 days to 1 week to disappear and can be avoided if caffeine is not used daily.
Caffeine capsules are contraindicated for people allergic to caffeine, children, pregnant women, who are breastfeeding and for people with high blood pressure, arrhythmias, heart disease or stomach ulcers.
People with insomnia, anxiety, migraine, tinnitus and labyrinthitis should avoid caffeine intake as it can worsen symptoms.
In addition, people using IMAO antidepressants, such as phenelzine, pargiline, seleginine, iproniazide, isocarboxazide and tranylcypromine, for example, should avoid high doses of caffeine, as there may be a combination of effects that cause high blood pressure and palpitations.
Caffeine is a methylxanthin, a substance that has a direct effect on the brain and works by blocking adenosine receptors, which is a neuromodulator that builds up in the brain throughout the day and causes fatigue and sleep. By blocking adenosine, caffeine increases the release of neurotransmitters, such as adrenaline, norepinephrine, dopamine and serotonin, causing its stimulating effect.
When ingested, caffeine is rapidly absorbed through the gastrointestinal tract, reaching a peak concentration in the blood in approximately 15 to 45 minutes, and has an action of approximately 3 to 8 hours in the body, which varies depending on the presentation formula and other components. capsule.
Purified caffeine is found in the form of caffeine anhydrous or methylxanthin, which is more concentrated and may have more potent effects.
In addition to capsules, caffeine can be found in various ways, such as in coffee itself, in energy drinks or concentrated in powder form, so to get the equivalent of 400 mg of caffeine, about 4 cups of freshly brewed coffee of 225 ml are needed.
In addition, other methylxanthines, such as theophiline and theobromine, which have the same effect as caffeine, can also be found in teas, such as green tea and black tea, in cocoa, energy drinks. and cola drinks. To find out how much caffeine is in each food, check out foods high in caffeine.