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110mg is about two cups of coffee. no, it's not a lot of caffeine. in adults, fatalities have occurred with doses of approximately 10 grams. Source(s): Pharmacist. sal1970 Â· 6 years ago.
âA recommended target is about 1.5 mg of caffeine per pound of body weight,â says Clark, and that's the high end of sports nutrition guidelines. So if you weigh 150 pounds, that equates to 225 mg of caffeineâabout 12 to 18 ounces of coffee. A pill that contains 200 mg of caffeine is close to that target but if you've already had coffee that day, or if you take a caffeine supplement before an afternoon workout, you might be awake all night, Clark warns.