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1. O Dahl. Estimating protein quality of meat products from the content of typical amino-acids and creatine. J Sci Food Agric (1965)
2. R C Harris, et al. The concentration of creatine in meat, offal and commercial dog food. Res Vet Sci (Jan-Feb)
3. Rawson ES, Volek JS. J Strength Effects of creatine supplementation and resistance training on muscle strength and weightlifting performance.
4. Branch JD. Int J Sport Nutr Exerc Effect of creatine supplementation on body composition and performance: a meta-analysis.
5. Hoffman J, Ratamess N, Kang J, Mangine G, Faigenbaum A, Stout J. Int J Sport Nutr Exerc Metab Effect of creatine and beta-alanine supplementation on performance and endocrine responses in strength/power athletes.
6. Watanabe A, Kato N, Kato T. Effects of creatine on mental fatigue and cerebral hemoglobin oxygenation. Neurosci Res (2002)
7. McMorris T, et al. Effect of creatine supplementation and sleep deprivation, with mild exercise, on cognitive and psychomotor performance, mood state, and plasma concentrations of catecholamines and cortisol. Psychopharmacology (Berl) (2006)
8. Avgerinos KI, et al. Effects of creatine supplementation on cognitive function of healthy individuals: A systematic review of randomized controlled trials. Exp Gerontol (2018)
9. McMorris T, et al. Creatine supplementation and cognitive performance in elderly individuals. Neuropsychol Dev Cogn B Aging Neuropsychol Cogn (2007)
10. Santos RV, Bassit RA, Caperuto EC, Costa Rosa LF. Life Sci The effect of creatine supplementation upon inflammatory and muscle soreness markers after a 30km race.
11. Koçak S, Karli U. J Sports Med Phys Fitness. Effects of high dose oral creatine supplementation on anaerobic capacity of elite wrestlers.
12. Eckerson JM, Stout JR, Moore GA, Stone NJ, Iwan KA, Gebauer AN, Ginsberg R. J Strength Effect of creatine phosphate supplementation on anaerobic working capacity and body weight after two and six days of loading in men and women.
13. Kendall KL, Smith AE, Graef JL, Fukuda DH, Moon JR, Beck TW, Cramer JT, Stout JR. J Strength Effects of four weeks of high-intensity interval training and creatine supplementation on critical power and anaerobic working capacity in college-aged men.
14. Rockwell JA, Rankin JW, Toderico B. Med Sci Sports Exerc. Creatine supplementation affects muscle creatine during energy restriction.
15. L-Carnitine L-tartrate supplementation favorably affects markers of recovery from exercise stress Jeff S Volek 1, William J Kraemer, Martyn R Rubin, Ana L Gómez, Nicholas A Ratamess, Paula Gaynor
16. The effects of L-carnitine L-tartrate supplementation on hormonal responses to resistance exercise and recovery William J Kraemer 1, Jeff S Volek, Duncan N French, Martyn R Rubin, Matthew J Sharman, Ana L Gómez, Nicholas A Ratamess, Robert U Newton, Bozena Jemiolo, Bruce W Craig, Keijo Häkkinen
17. l-Carnitine l-tartrate supplementation favorably affects biochemical markers of recovery from physical exertion in middle-aged men and women Jen-Yu Ho 1, William J Kraemer, Jeff S Volek, Maren S Fragala, Gwendolyn A Thomas, Courtenay Dunn-Lewis, Michael Coday, Keijo Häkkinen, Carl M Maresh
18. Glycine propionyl-L-carnitine produces enhanced anaerobic work capacity with reduced lactate accumulation in resistance trained males Patrick L Jacobs 1, Erica R Goldstein, Will Blackburn, Ihsan Orem, John J Hughes
19. Use of carnitine therapy in selected cases of male factor infertility: a double-blind crossover trial Jonathan P Jarow
20. Oral carnitine supplementation increases sperm motility in asthenozoospermic men with normal sperm phospholipid hydroperoxide glutathione peroxidase levels Andrea Garolla 1, Matilde Maiorino, Alberto Roverato, Antonella Roveri, Fulvio Ursini, Carlo Foresta
21. Levocarnitine administration in elderly subjects with rapid muscle fatigue: effect on body composition, lipid profile and fatigue Giovanni Pistone 1, Angela Marino, Carmelo Leotta, Simona Dell'Arte, Giovanna Finocchiaro, Mariano Malaguarnera
22. Acetyl-L-carnitine plus propionyl-L-carnitine improve efficacy of sildenafil in treatment of erectile dysfunction after bilateral nerve-sparing radical retropubic prostatectomy Giorgio Cavallini 1, Fabio Modenini, Giovanni Vitali, Aleardo Koverech
23. Carnitine versus androgen administration in the treatment of sexual dysfunction, depressed mood, and fatigue associated with male aging G Cavallini 1, S Caracciolo, G Vitali, F Modenini, G Biagiotti
24. Beta-alanine and the hormonal response to exercise J Hoffman 1, N A Ratamess, R Ross, J Kang, J Magrelli, K Neese, A D Faigenbaum, J A Wise
25. Effects of β-alanine supplementation on exercise performance: a meta-analysis R M Hobson 1, B Saunders, G Ball, R C Harris, C Sale
26. Effects of twenty-eight days of beta-alanine and creatine monohydrate supplementation on the physical working capacity at neuromuscular fatigue threshold Jeffrey R Stout 1, Joel T Cramer, Michelle Mielke, Joseph O'Kroy, Don J Torok, Robert F Zoeller
27. The effects of chronic betaine supplementation on exercise performance, skeletal muscle oxygen saturation and associated biochemical parameters in resistance trained men John F Trepanowski 1, Tyler M Farney, Cameron G McCarthy, Brian K Schilling, Stuart A Craig, Richard J Bloomer
28. Effect of betaine supplementation on power performance and fatigue Jay R Hoffman 1, Nicholas A Ratamess, Jie Kang, Stefanie L Rashti, Avery D Faigenbaum