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1. Containing caffeine: caffeinated beverages.
2. Stimulated with or as if with caffeine: "She has taken an indignant high road, her manner edgy, caffeinated" (Carol Anshaw).


a. with no natural caffeine removed
b. with added caffeine
2. highly stimulated by caffeine


(ˈkæf əˌneɪ tɪd)

containing caffeine.
References in periodicals archive ?
LOS ANGELES, March 17, 2015 /PRNewswire/ -- Caffeinated Club, a recently-launched line of naturally flavored club soda with the added benefit of caffeine and no sugar or artificial sweeteners, is pleased to have entered a distribution agreement with Gourmet Purveyors International in Los Angeles.
In a study led by the Harvard School of Public Health that tracked 50,000 women for 10 years, those who drank four or more cups of caffeinated coffee per day were 20 percent less likely to develop depression than nondrinkers.
The researchers analyzed data on caffeinated and decaffeinated coffee, and caffeinated tea consumption from 48,464 women in the Brigham and Women's Hospital-based Nurses' Health Study (1986-2006), 47,510 women in Nurses' Health Study II (1991-2007), and 27,759 men in the Health Professionals Follow-up Study (1986-2006).
Medical research shows that mixing caffeinated energy drinks with alcohol is associated with higher levels of alcohol consumption, a likely result of caffeine's stimulating effects increasing the appetite for alcohol.
In the last ten years, the marketplace has seen an influx of caffeinated energy drinks and a wide range of foods with added caffeine.
QUETTA -- A new American Cancer Society study has found a strong inverse association between caffeinated coffee intake and oral/pharyngeal cancer mortality.
One group drank only caffeinated black tea, while the other group drank a caffeinated placebo that had an identical taste.
They found the risk of suicide was double in adults who drank decaffeinated coffee or little to no coffee, in comparison to those who drank between two and four cups of caffeinated coffee per day.
30 statement from university spokeswoman Carri Jenkins in which she said that the school doesn't serve or sell caffeinated drinks because there has not "been a demand for it.
One hundred eighty-one men consumed a standard caffeinated coffee for 2 mo followed by randomization to continue caffeinated coffee (control), change to decaffeinated coffee or no coffee for 2 mo.
All such drinks will now be called " caffeinated beverages" and will come with a statutory safety warning.
Older adults who drank coffee -- caffeinated or decaffeinated -- had a lower risk of death overall than others who did not drink coffee, according a study by researchers from the National Cancer Institute (NCI), part of the National Institutes of Health, and AARP.