Resources and Testing

To get started using amino acid therapy or run any of the tests described in this website, please contact us.

For more information about amino acid therapy and peer-reviewed research:


Organic Cation Transporter Assay Interpretation:

Lymphocyte Response Assay (food hypersensitivity testing);



  1. Long-Term L-DOPA Treatment Causes Indiscriminate Increase in Dopamine Levels at the Cost of Serotonin Synthesis in Discrete Brain Regions of Rats. Cell Mol Neurobiol (2007) 27:985 996 Anupom Borah Æ Kochupurackal P. Mohanakumar.
  2. O-methylation and decarboxylation of alpha-methyldopa in brain and spinal cord: depletion of S-adenosylmethionine and accumulation of metabolites in catecholaminergic neurons. Neuropharmacology. 1976 Jul;15(7):395-402 Lo CM, Kwok ML, Wurtman RJ.
  3. Characterization of intracellular elevation of glutathione (GSH) with glutathione monoethyl ester and GSH in brain and neuronal cultures: relevance to Parkinson’s disease. Exp Neurol. 2007 Feb;203(2):512-20. Epub 2006 Oct 17. Zeevalk GD, Manzino L, Sonsalla PK, Bernard LP.
  4.; information taken 02/20/12.
  5. Brain, kidney and liver 203Hg-methyl mercury uptake in the rat: relationship to the neutral amino acid carrier. Pharmacol Toxicol. 1989 Jul;65(1):17-20 Aschner M.
  6. Direct determination of seleno-amino acids in biological tissues by anionexchange separation and electrochemical detection. J Chromatogr A. 1995 Jul 7;706(1-2):429-36. Cavalli S, Cardellicchio N.
  7.; information taken on 02/20/12
  8. Hinz M, Stein A, Uncini T. Validity of urinary monoamine assay sales under the “spot baseline urinary neurotransmitter testing marketing model. International Journal of Nephrology and Renovascular Disease. July 2011, Volume 2011:4; 101-113. DOI:
  9. Hinz M, Stein A, Trachte G, Uncini T. Neurotransmitter testing of the urine: a comprehensive analysis. Open Access Journal of Urology. October 2010, Volume 2010:2; 177-183. DOI:
  10. Hinz M, Stein A, Ulcini T. Urinary neurotransmitter testing: considerations of spot baseline norepinephrine and epinephrine. Open Access Journal of Urology. February 2011, Volume 2011:3; 19-24. DOI:
  11. Hinz M, Stein A, Uncini T. The dual-gate lumen model of renal monoamine transport. Neuropsychiatr Dis Treat. 2010;6:387–392.
  12. Hinz M, Stein A, Uncini T. Treatment of attention deficit hyperactivity disorder with monoamine amino acid precursors and organic cation transporter assay interpretation. Neuropsychiatr Dis Treat. 2011;7: 31–38.
  13. Hinz M, Stein A, Uncini T. Amino acid management of Parkinson disease: a case study. Int J Gen Med. 2011;4:1–10.
  14. Stein A, Hinz M, Uncini T. Amino acid responsive Crohn’s disease, a case study. Clin Exp Gastroenterol. 2010;3:171–177.
  15. Hinz M, Stein A, Trachte G, Uncini T. Neurotransmitter testing of the urine: a comprehensive analysis. Open Access Journal of Urology, October 2010: 2; 177-183. DOI: 10.2147/OAJU.S13370.
  16. Pyle AC, Argyropoulos SV, Nutt DJ. The role of serotonin in panic: Evidence from tryptophan depletion studies. Acta Neuropsychiatr. 2004;16:79–84.
  17. Verde G, Oppizzi G, Colussi G, et al. Effect of dopamine infusion on plasma levels of growth hormone in normal subjects and in agromegalic patients. Clin Endocrinol (Oxf). 1976;5:419–423.
  18. Gozzi A, Ceolin L, Schwarz A, et al. A multimodality investigation of cerebral hemodynamics and autoregulation in pharmacological MRI. Magn Reson Imaging. 2007;25:826–833.
  19. Ziegler MG, Aung M, Kennedy B. Sources of human urinary epinephrine. Kidney Int. 1997;51:324–327.
  20. Trachte G, Uncini T, Hinz M. Both stimulatory and inhibitory effects of dietary 5-hydroxytryptophan and tyrosine are found on urinary excretion of serotonin and dopamine in a large human population. Neuropsychiatr Dis Treat. 2009;5:228–235.
  21. Hinz M. Depression. In: Kohlstadt I, editor. Food and Nutrients in Disease Management. CRC Press; 2009;465–481.
  22. EPA 2000 Toxic Release Inventory.


  1. Laura

    Are your doctors Neuro Research trained?

    • aatadmin

      Hi Laura,

      Yes – we have taken many trainings with Dr. Hinz and NeuroResearch and have been working with them since 2001.

      Dr. Chad


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