I very much wanted to like Gatorade’s Fast ... and easy to crush. The caffeine isn’t enough to make me jittery — a benefit of cutting this with water — but does make me feel a little ...

Does boba tea have caffeine? Which options have the least caffeine? Below, we’ll dive into what you need to know before ...

Daily consumption of 200-300 mg of caffeine is usually safe. More than 300 mg of caffeine could have negative effects on the body, such as restlessness, anxiety, irritability, muscle tremors, ...

Some of us enjoy the lighter, more delicate flavor of white tea, but you might be wondering: Does white tea have caffeine? It’s an important question. Many of us want that little caffeine boost ...

And some rely on caffeine's effects to feel mentally agile throughout the day. But how does it work ... caffeine consumption appears to have little effect on regular users compared to non-users ...

An curved arrow pointing right. Caffeine is the most commonly used psychoactive drug in the world. It's known for that pick-me-up it gives. However, it has several other effects on the human body.

Some researchers speculate there could be a mechanism for caffeine's potential effects on erectile dysfunction—it may have something to do with caffeine's effects on blood flow.

All that can be studied are short-term effects. Like other drugs, caffeine does have a definite impact on mental and physical functions. Repeated studies have shown that caffeine is analeptic (it ...

It seems that caffeine may slightly boost the speed of physical movements – but it turns out that its effects on the brain are not what you might have thought. All our results were in line with ...

It’s formulated with a combination of anti-inflammatory camphor, cooling menthol and caffeine to help increase blood circulation. Not only does this shampoo have Oribe’s signature – and ...

More recently, soft drink sales have been aided by lower- and middle-income consumers seeking inexpensive indulgences, ...