Craig SAS: Betaine in human nutrition. Am J Clin Nutr. 2004, 80: 539-549.
Lee EC, Maresh CM, Kraemer WJ, Yamamoto LM, Hatfield DL, Bailey BL, Armstrong LE, Volek JS, McDermott BP, Craig SA: Ergogenic effects of betaine supplementation on strength and power performance. J Int Soc Sports Nutr. 2010, 7: 27-10.1186/1550-2783-7-27.
Hoffman JR, Ratamess NA, Kang J, Rashti SL, Faigenbaum AD: Effect of betaine supplementation on power performance and fatigue. J Int Soc Sports Nutr. 2009, 6: 7-10.1186/1550-2783-6-7.
Trepanowski JF, Farney TM, McCarthy CG, Schilling BK, Craig SA, Bloomer RJ: The effects of chronic betaine supplementation on exercise performance, skeletal muscle oxygen saturation and associated biochemical parameters in resistance trained men. J Strength Cond Res. 2011, 25: 3461-3471. 10.1519/JSC.0b013e318217d48d.
Del Favero S, Roschel H, Artioli G, Ugrinowitsch C, Tricoli V, Costa A, Barroso R, Negrelli AL, Otaduy MC, da Costa Leite C, Lancha-Junior AH, Gualano B: Creatine but not betaine supplementation increases muscle phosphorylcreatine content and strength performance. Amino Acids. 2011
Schwab U, Törrönen A, Toppinen L, Alfthan G, Saarinen M, Aro A, Uusitupa M: Betaine supplementation decreases plasma homocysteine concentrations but does not affect body weight, body composition, or resting energy expenditure in human subjects. Am J Clin Nutr. 2002, 76: 961-967.
Huang QC, Xu ZR, Han XY, Li WF: Effect of betaine on growth hormone pulsatile secretion and serum metabolites in finishing pigs. J Anim Physiol Anim Nutr. 2007, 91: 85-90. 10.1111/j.1439-0396.2006.00644.x.
Huang Q, Xu Z, Han X, Li W: Effect of dietary betaine supplementation on lipogenic enzyme activities and fatty acid synthase mRNA expression in finishing pigs. Anim Feed Sci Technol. 2008, 140: 365-375. 10.1016/j.anifeedsci.2007.03.007.
Matthews JO, Southern LL, Higbie AD, Persica MA, Bidner TD: Effects of betaine on growth, carcass characteristics, pork quality, and plasma metabolites of finishing pigs. J Anim Sci. 2001, 79: 722-728.
Garcia MM, Guéant-Rodriguez R-M, Pooya S, Brachet P, Alberto J-M, Jeannesson E, Maskali F, Gueguen N, Marie P-Y, Lacolley P, Herrmann M, Juillière Y, Malthiery Y, Guéant J-L: Methyl donor deficiency induces cardiomyopathy through altered methylation/acetylation of PGC-1α by PRMT1 and SIRT1. J Pathol. 2011, 225: 324-335. 10.1002/path.2881.
Li Y, Jiang C, Xu G, Wang N, Zhu Y, Tang C, Wang X: Homocysteine upregulates resistin production from adipocytes in vivo and in vitro. Diabetes. 2008, 57: 817-827. 10.2337/db07-0617.
Chwatko G, Boers GHJ, Strauss KA, Shih DM, Jakubowski H: Mutations in methylenetetrahydrofolate reductase or cystathionine beta-synthase gene, or a high-methionine diet, increase homocysteine thiolactone levels in humans and mice. Journal Fed Am Soc Exp Biol. 2007, 21: 1707-1713.
Najib S, Sánchez-Margalet V: Homocysteine thiolactone inhibits insulin-stimulated DNA and protein synthesis: possible role of mitogen-activated protein kinase (MAPK), glycogen synthase kinase-3 (GSK-3) and p70 S6K phosphorylation. J Mol Endocrinol. 2005, 34: 119-126. 10.1677/jme.1.01581.
Jakubowski H: Pathophysiological consequences of homocysteine excess. J Nutr. 2006, 136: 1741-1749.
Williams KT, Schalinske KL: New insights into the regulation of methyl group and homocysteine metabolism. J Nutr. 2007, 137: 311-314.
Kleiner SM, Bazzarre TL, Litchford MD: Metabolic profiles, diet, and health practices of championship male and female bodybuilders. J Am Diet Assoc. 1990, 90: 962-967.
Ritti-Dias RM, Avelar A, Salvador EP, Cyrino ES: Influence of previous experience on resistance training on reliability of one-repetition maximum test. J Strength Cond Res. 2011, 25: 1418-1422. 10.1519/JSC.0b013e3181d67c4b.
Forsyth HL, Sinning WE: The anthropometric estimation of body density and lean body weight of male athletes. Med Sci Sports Exerc. 1973, 5: 174-180.
Brozek J, Grande F, Anderson JT, Keys A: Densitometric analysis of body composition: revision of some quantitative assumptions. Ann NY Acad Sci. 1963, 110: 113-140.
DeFreitas JM, Beck TW, Stock MS, Dillon MA, Kasishke PR: An examination of the time course of training-induced skeletal muscle hypertrophy. Eur J Appl Physiol. 2011, 111: 2785-2790. 10.1007/s00421-011-1905-4.
Moritani T, DeVries HA: Neural factors versus hypertrophy in the time course of muscle strength gain. Am J Phys Med. 1979, 58: 115-130.
DeFreitas JM, Beck TW, Stock MS, Dillon MA, Sherk VD, Stout JR, Cramer JT: A comparison of techniques for estimating training-induced changes in muscle cross-sectional area. J Strength Cond Res. 2010, 24: 2383-2389. 10.1519/JSC.0b013e3181ec86f3.
Lander J: Maximum based on reps. J Strength Cond Res. 1985, 6: 60-61.
Chwatko G, Jakubowski H: The determination of homocysteine-thiolactone in human plasma. Anal Biochem. 2005, 337: 271-277. 10.1016/j.ab.2004.11.035.
Głowacki R, Bald E, Jakubowski H: An on-column derivatization method for the determination of homocysteine-thiolactone and protein N-linked homocysteine. Amino Acids. 2011, 41: 187-194. 10.1007/s00726-010-0521-7.
Jakubowski H: The determination of homocysteine-thiolactone in biological samples. Anal Biochem. 2002, 308: 112-119. 10.1016/S0003-2697(02)00224-5.
Monteiro AG, Aoki MS, Evangelista AL, Alveno DA, Monteiro GA, Piçarro I da C, Ugrinowitsch C: Nonlinear periodization maximizes strength gains in split resistance training routines. J Strength Cond Res. 2009, 23: 1321-1326. 10.1519/JSC.0b013e3181a00f96.
Spineti J, de Salles BF, Rhea MR, Lavigne D, Matta T, Miranda F, Fernandes L, Simão R: Influence of exercise order on maximum strength and muscle volume in nonlinear periodized resistance training. J Strength Cond Res. 2010, 24: 2962-2969. 10.1519/JSC.0b013e3181e2e19b.
Schoenfeld BJ: The mechanisms of muscle hypertrophy and their application to resistance training. J Strength Cond Res. 2010, 24: 2857-2872. 10.1519/JSC.0b013e3181e840f3.
Häussinger D: The role of cellular hydration in the regulation of cell function. Biochem J. 1996, 313 (3): 697-710.
Ortiz-Costa S, Sorenson MM, Sola-Penna M: Betaine protects urea-induced denaturation of myosin subfragment-1. FEBS J. 2008, 275: 3388-3396. 10.1111/j.1742-4658.2008.06487.x.
Suarez MC, Machado CJV, Lima LMTR, Smillie LB, Pearlstone JR, Silva JL, Sorenson MM, Foguel D: Role of hydration in the closed-to-open transition involved in Ca2+ binding by troponin C. Biochemistry. 2003, 42: 5522-5530. 10.1021/bi027102h.
Abe T, DeHoyos DV, Pollock ML, Garzarella L: Time course for strength and muscle thickness changes following upper and lower body resistance training in men and women. Eur J Appl Physiol. 2000, 81: 174-180. 10.1007/s004210050027.
Hoffman JR, Ratamess NA, Kang J, Gonzalez AM, Beller NA, Craig SAS: Effect of 15 days of betaine ingestion on concentric and eccentric force outputs during isokinetic exercise. J Strength Cond Res. 2011, 25: 2235-2241. 10.1519/JSC.0b013e3182162530.
Newton RU, Kraemer WJ: Developing explosive muscular power: implications for a mixed methods training strategy. J Strength Cond Res. 1994, 16: 20-31.
Verhoef P: Homocysteine–an indicator of a healthy diet?. Am J Clin Nutr. 2007, 85: 1446-1447.
Olthof MR, Verhoef P: Effects of betaine intake on plasma homocysteine concentrations and consequences for health. Curr Drug Metab. 2005, 6: 15-22. 10.2174/1389200052997366.
Apicella JM, Lee EC, Bailey BL, Saenz C, Anderson JM, Craig SAS, Kraemer WJ, Volek JS, Maresh CM: Betaine supplementation enhances anabolic endocrine and Akt signaling in response to acute bouts of exercise. Eur J Appl Physiol. 2012, In Press
Jakubowski H: The pathophysiological hypothesis of homocysteine thiolactone-mediated vascular disease. J Physiol Pharmacol. 2008, 59 (Suppl 9): 155-167.
Kathirvel E, Morgan K, Nandgiri G, Sandoval BC, Caudill MA, Bottiglieri T, French SW, Morgan TR: Betaine improves nonalcoholic fatty liver and associated hepatic insulin resistance: a potential mechanism for hepatoprotection by betaine. Am J Gastrointestinal Liver Physiol. 2010, 299: 1068-1077. 10.1152/ajpgi.00249.2010.
Barathi S, Angayarkanni N, Pasupathi A, Natarajan SK, Pukraj R, Dhupper M, Velpandian T, Muralidharan C, Sivashanmugham M: Homocysteinethiolactone and paraoxonase: novel markers of diabetic retinopathy. Diabetes care. 2010, 33: 2031-2037. 10.2337/dc10-0132.
Borowczyk K, Shih DM, Jakubowski H: Metabolism and neurotoxicity of homocysteine thiolactone in mice: evidence for a protective role of paraoxonase 1. J Alzheimers Dis. 2012, 30: 225-231.