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And the potassium in coffee can help regulate blood sugar levels by improving insulin sensitivity and supporting overall metabolic function. 4. May Help Protect You From Certain Types of Cancer
The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Caffeine's biological half-life – the time required for the body to eliminate one-half of a dose – varies widely among individuals according to factors such as pregnancy, other drugs, liver enzyme function level (needed for caffeine metabolism) and age.
Research indicates that caffeine, ingested either by drinking coffee or by taking a caffeine supplement, can help improve memory, explains Brynna Connor, M.D. “There is also evidence that shows ...
Caffeine may also reduce appetite and lower depression risk. But that’s mostly true of people who consume caffeine in moderation. Others may suffer from jitteriness, insomnia, and coffee’s ...
In a healthy liver, caffeine is mostly broken down by hepatic enzymes. The excreted metabolites are mostly paraxanthines—theobromine and theophylline—and a small amount of unchanged caffeine. Therefore, the metabolism of caffeine depends on the state of this enzymatic system of the liver. [170]
A new study has found that consuming 6 milligrams of the coffee compound cafestol twice daily for 12 weeks might help reduce weight and body fat but not improve insulin sensitivity or glucose ...
A number of fatalities have been caused by overdoses of readily available powdered caffeine supplements, for which the estimated lethal amount is less than a tablespoon. [13] The lethal dose is lower in individuals whose ability to metabolize caffeine is impaired due to genetics or chronic liver disease. [14]