Supplementation of ________ may enhance performance of weight lifters and sprinters, but the safety of large doses and long-term use has not been confirmed. Question 3 options: a) caffeine b) creatine c) steroids d) carnitine e) human growth hormone

Which of the following is not a performance-enhancing drug often used by athletes?Question 6Answera.Antibioticsb.Beta-blockersc.Caffeined.Anabolic steroids

Though some may experience unpleasant side effects, all of the following supplements have some demonstrated research findings that they may perform to some extent as claimed except ________. Question 10 options: a) dietary nitrate b) beta-alanine c) creatine d) sodium bicarbonate e) carnitine

critically analyse the evidence for and against supplementation for improved performance.

Regarding the figure that corresponds with the study entitled: Acute effects of a thermogenic nutritional supplement on energy expenditure, and cardiovascular function at rest, during low-intensity exercise, and recovery from exercise.Caffeine did increase energy expenditure post-supplementation.Group of answer choicesTrueFalse

Which of the following statements regarding creatine use is true?Group of answer choicesCreatine can make a muscle cell bigger by drawing water into a muscle cell.The body’s ability to produce creatine naturally may be compromised and creatine can make a muscle cell bigger by drawing water into a muscle cell.The body’s ability to produce creatine naturally may be compromised.Creatine is exogenous.There are thousands of long term studies that address long term effects of use.