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From the Townsend Letter
December 2015

Nutritional Antioxidants and Testosterone Secretion: Natural Methods to Increase Testosterone in Men
by Michael J. Glade, PhD; Kyl Smith, DC; and Michael M. Meguid, MD, PhD
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5.   Murugesan P, Muthusamy T, Balasubramanian K, Arunakaran J. Effects of vitamins C and E on steroidogenic enzymes mRNA expression in polychlorinated biphenyl (Aroclor 1254) exposed adult rat Leydig cells. Toxicology. 2007a;232:170–182.
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Michael J. Glade, PhD
The Nutrition Doctor
Kailua-Kona, Hawaii

Kyl Smith, DC
Progressive Laboratories Inc.
Irving, Texas

Michael M. Meguid, MD, PhD, MFA, FACS, Professor Emeritus, Surgery, Neuroscience and Nutrition
Department of Surgery, University Hospital, Upstate Medical University
750 E. Adams Street
Syracuse, New York 13210
Corresponding Author
Kyl Smith, DC
Progressive Laboratories Inc.
3131 Story Road W.
Irving, Texas 75038

Michael J. Glade, PhD, is a certified nutritional specialist (CNS) with degrees from the Massachusetts Institute of Technology (MIT) and Cornell University. Dr. Glade is a noted researcher in the nutritional and scientific communities for providing a significant body of peer-reviewed substantiation for multiple health claims that have been approved by the FDA.

Kyl Smith, DC, is the author of the book The Testosterone Switch and a popular speaker providing continuing education programs wherein he teaches doctors how to utilize diet, exercise, and nutrition to improve testosterone status in otherwise healthy men. Dr. Smith is director of education for Progressive Laboratories Inc.

Michael M. Meguid, MD, PhD, is editor-in-chief of the peer-reviewed journal Nutrition  ( Dr. Meguid is professor emeritus, surgery, neuroscience and nutrition, Department of Surgery, University Hospital, Upstate Medical University. University of New York Health Science Center, Syracuse, New York.

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