Caffeine: evidence-based guidance for use during upper-body exercise and for individuals with a spinal cord injury

The use of nutritional supplements (NS) is common in able-bodied (AB) athletic populations and good evidence exists for a number of NS such as sports drinks, protein powder, creatine, caffeine and buffering agents. However, little evidence is available regarding the popularity and efficacy of NS in a population of athletes with physical impairments. [Continues.]