We explore what pre-workout supplements actually are, implications for safety and effectiveness, who uses these products and this episode even features a special guest who shares about his experience. Ultimately we want our listeners leaving with a greater understanding and education on the efficacy and safety of pre-workout supplements.

References

Cameron, M., Camic, C. L., Doberstein, S., Erickson, J. L., & Jagim, A. R. (2018). The acute effects of a multi-ingredient pre-workout supplement on resting energy expenditure and exercise performance in recreationally active females.15, 1. doi:10.1186/s12970-017-0206-7

Dulloo AG, Geissler CA, Horton T, Collins A, Miller DS: Normal caffeine consumption: influence on thermogenesis and daily energy expenditure in lean and postobese human volunteers. The American journal of clinical nutrition. 1989, 49: 44-50.

Eudy, A. E., Gordon, L. L., Hockaday, B. C., Lee, D. A., Lee, V., Luu, D., . . . Ambrose, P. J. (2013). Efficacy and safety of ingredients found in preworkout supplements. Am J Health Syst Pharm, 70, 577-588. doi:10.2146/ajhp120118

Fetters, K. A. (2017, November 12, 2017). What are pre-workout supplements-and do you need them? .

Graham TE, Spriet LL: Metabolic, catecholamine, and exercise performance responses to various doses of caffeine. J Appl Physiol. 1995, 78: 867-874.

Harty, P.S.; Zabriskie, H.A.; Erickson, J.L.; Molling, P.E.; Kerksick, C.M.; Jagim, A.R. Multi-ingredient pre-workout supplements, safety implications, and performance outcomes: A brief review. J. Int. Soc. Sports Nutr. 2018, 15.

Jagim, A.R.; Harty, P.S.; Camic, C.L. Common Ingredient Profiles of Multi-Ingredient Pre-Workout Supplements. Nutrients,2019, 11, 254.

Mayo clinic staff. (2017). Niacin.

Poehlman ET, Despres JP, Bessette H, Fontaine E, Tremblay A, Bouchard C: Influence of caffeine on the resting metabolic rate of exercise-trained and inactive subjects. Medicine and science in sports and exercise. 1985, 17: 689-694. 10.1249/00005768-198512000-00012.

Sassone, J.; Muster, M.; Barrack, M.T. Prevalence and Predictors of Higher-Risk Supplement Use among Collegiate Athletes. J. Strength Cond. Res.2019, 33, 443–450.

Smith, A. E., Fukuda, D. H., Kendall, K. L., & Stout, J. R. (2010). The effects of a pre-workout supplement containing caffeine, creatine, and amino acids during three weeks of high-intensity exercise on aerobic and anaerobic performance.7, 10. doi:10.1186/1550-2783-7-10

Spriet LL: Caffeine and performance. International journal of sport nutrition. 1995, 5: S84-99.

Example of a pre-workout supplement:https://www.gnc.com/nitric-oxide/BeyondRawLIT.htm