Supplements are often recommended by healthcare professionals for a variety of medical reasons. Either they could top up a person’s vitamin and mineral levels, aid in better digestion or they could even help a person to burn fat. Metabolism is a key factor when it comes to weight loss so it would make sense that taking a supplement which increases one’s metabolism will in turn increase weight loss.
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There are a variety of weight loss solutions out there all promising to be the best.
Many claim to help a person lose weight or at least make it easier for a person to lose weight.
A well-known fact is by increasing your metabolism, fat burning ensues and as such weight loss becomes easier.
According to studies, there is a supplement which does all of that.
Caffeine is one of the most commonly consumed psychoactive substances in the world which is enjoyed by millions.
Caffeine is found naturally in coffee, green tea and dark chocolate and can also be taken as a supplement.
Caffeine is the holy grail when it comes to boosting your metabolism and is therefore often added to weight loss supplements.
There are some studies indicating that caffeine supplements could have a modest effect on weight loss.
How caffeine supplements increase metabolism
Caffeine is primarily metabolised in the liver by cytochrome P450 enzymes, which are responsible for more than 90 percent of caffeine clearance said Coffee and Health.
It added: “This is the enzyme responsible for metabolism of caffeine is coded for by the gene CYP1A2.
“Daily consumption of at least three cups of coffee increased CYP1A2 activity.
“Caffeine’s effects will last for several hours, depending on how quickly or slowly it is metabolised by the body.”
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In a study in the American Journal of Physiology, the effects of caffeine ingestion on fat oxidation and energy expenditure in younger and older men was analysed.
The study said: “Age-related differences in energy expenditure, fat oxidation, and norepinephrine (NE) kinetics after caffeine ingestion were examined using a placebo-controlled double-blind study in 10 older and 10 younger men who were moderate consumers of caffeine.
“Rates of fat oxidation and NE appearance and clearance did not significantly differ from baseline values in either group.
“In conclusion, older and younger men show a similar thermogenic response to caffeine ingestion, whereas older men show a smaller increase in fatty acid availability after a caffeine challenge.
“These metabolic differences are not related to alterations in NE kinetics or fat oxidation.”
In a study published on Wiley Online Library, the effects of catechin rich teas and caffeine on energy expenditure and fat oxidation was investigated.
The study noted: “A meta‐analysis was conducted to elucidate whether catechin‐caffeine mixtures and caffeine‐only supplementation indeed increase thermogenesis and fat oxidation.
“Several long‐term studies have been conducted to examine the effects of catechin‐caffeine mixtures on weight loss and on weight maintenance following weight loss.
“The mixed results from these studies were recently summarized in a meta‐analysis showing that catechin‐caffeine mixtures have a positive effect on weight loss and on weight maintenance.”
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