While caffeine ingestion provides an ergogenic effect across a wide range of doses, it seems that the greatest benefits are attained with doses from 3 to 6 mg/kg of body mass. Lower doses (ie, <3 ...

These carbohydrates are usually found in concentrations below 8% to avoid gastrointestinal discomfort. Some drinks also contain caffeine. Caffeine is an ergogenic aid that enhances performance in ...