M. M. Manore, Meeusen, R., Roelands, B., Moran, S., Popple, A. D., Naylor, M. J., Burke, L. M., Stear, S. J., and Castell, L. M.,
“BJSM reviews: A-Z of nutritional supplements: dietary supplements, sports nutrition foods and ergogenic aids for health and performance--Part 16.”,
British journal of sports medicine, vol. 45, no. 1, pp. 73-4, 2011.