1Pauling L (1968) Orthomolecular psychiatry. Varying the concentrations of substances normally present in the human body may control mental disease. Science 160: 265-271.

2 Jacques X Chiponi, Julie C Bleir, Michael T Santi, Daniel Rudman M (1982) Deficiencies of essential and conditionally essential nutrients. Am J Clin Nutr 35: 1112-1116.

3Dudrick SJ, Wilmore DW, Vars HM, Rhoads JE (1969) Can intravenous feeding as the sole means of nutrition support growth in the child and restore weight loss in an adult? An affirmative answer. Ann Surg. Jun 169: 974-984.

4Canavese C, DeCostanzi E, Branciforte L, Caropreso A, Nonnato A, et al. (2001) Rubidium deficiency in dialysis patients. J Nephrol 14: 169-175.

5Wang W, Wu Z, Dai Z, Yang Y, Wang J, et al. (2013) Glycine metabolism in animals and humans: implications for nutrition and health. Amino Acids 45: 463-477.

6Kocer, B., et al., Serum vitamin B12, folate, and homocysteine levels and their association with clinical and electrophysiological parameters in multiple sclerosis. J Clin Neurosci 16: 399-403.

7Gaby A (2013) Multiple sclerosis. Global advances in health and medicine : improving healthcare outcomes worldwide. 2: 50-56.

8Cassani E., Privitera G., Pezzoli G., Pusani C., Madio C, et al. (2011) Use of probiotics for the treatment of constipation in Parkinson's disease patients. Minerva gastroenterologica e dietologica 57: 117-121.

9Peterson AL, Murchison C, Zabetian C, Leverenz JB, Watson GS, et al. (2013) Memory, mood, and vitamin d in persons with Parkinson's disease. J Parkinsons Dis 3: 547-555.

10Shults CW, Flint Beal M, Song D, Fontaine D (2004) Pilot trial of high dosages of coenzyme Q10 in patients with Parkinson's disease. Exp Neurol 188(2): p. 491-4.

11Mischley LK, Allen J, Bradley R (2012) Coenzyme Q10 deficiency in patients with Parkinson's disease. J Neurol Sci 318: 72-75.

12Rucklidge JJ, Frampton CM, Gorman B, Boggis A (2014) Vitamin-mineral treatment of attention-deficit hyperactivity disorder in adults: double-blind randomised placebo-controlled trial. Br J Psychiatry 204:306-315

13Pauling P (1968) Vitamin therapy: treatment for the mentally ill. Science 160: 1181-1182.

14Gaby A (2010) Vitamin C, in Nutritional Medicine.

15 Camp KM, Lloyd-Puryear MA, Huntington KL (2012) Nutritional Treatment for Inborn Errors of Metabolism: Indications, Regulations, and Availability of Medical Foods and Dietary Supplements Using Phenylketonuria as an Example. Mol Genet Metab 107: 3-9.