J Biosci. 2009 Dec;34(6):853-72. A weak link in metabolism: the metabolic capacity for glycine biosynthesis does not satisfy the need for collagen synthesis. Meléndez-Hevia E, De Paz-Lugo P, Cornish-Bowden A, Cárdenas ML. In a previous paper, we pointed out that the capability to synthesize glycine from serine is constrained by the stoichiometry of the glycine [...]
Am J Clin Nutr. 2000 Aug;72(2 Suppl):573S-8S. Serotonin and central nervous system fatigue: nutritional considerations. Davis JM, Alderson NL, Welsh RS. Fatigue from voluntary muscular effort is a complex phenomenon involving the central nervous system (CNS) and muscle. An understanding of the mechanisms within muscle that cause fatigue has led to the development of nutritional [...]