Depending on the concentration of those ingredients, the amount of caffeine in a serving of ice cream could rival a cup of ...

Coffee is a popular beverage worldwide and a well-known source of caffeine; it's common to reach for an extra cup as a quick ...

Of coffee, that is ... than 200 mg per sitting and no more than 400 mg a day of caffeine should be exceeded regardless of the source of caffeine including teas, matcha, sodas, and energy drinks.

Zumpano further clarified that this 400mg guideline encompasses all sources of caffeine - not solely coffee - meaning fizzy drinks and energy boosters need to be considered within this limit too.

Tea and coffee are both good sources of caffeine and antioxidants. Coffee contains twice as much caffeine as tea, and can give you a more immediate energy boost. Tea contains L-theanine ...

Objective To systematically review, summarise and appraise findings of published meta-analyses that examined the effects of caffeine on exercise performance. Design Umbrella review. Data sources ...