Sentence examples for it's caffeine from inspiring English sources
"The pill has echoes of the grapefruit diet and includes guarana which is high in caffeine yet states it's caffeine free.
Green tea, because of it's caffeine level, can be unsafe for pregnant women and their babies.
Pick a drink - this doesn't have to be coffee related as long as it's caffeine, as Gibbs works long shifts.
And, yes, it's caffeine, that does it, not coffee — but most other sources of caffeine aren't that good for you (read: soda).
Scientists may still not understand what process is at work, but they say they suspect it is caffeine that should get the credit.
For another, he does not so much sit in a chair but recline in it, as if he is constantly waiting for something, whether it is caffeine, American Spirits — or, more profoundly, inspiration.
Blacky had allowed himself a small joke – it was caffeine powder.
It used to be caffeine and nicotine, and then speed, and now we're in this new era of experiments actually used in clinical study with a drug like provigal.
It's a caffeine jolt and a bench press.
