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Sigma Nutrition Radio

Dec 17, 2019

Dr. Allison Brager is a behavioral neurobiologist with an expertise in sleep and circadian rhythms for the United States Army (active duty), as well as their contributions to psychiatric, neurological, and inflammatory disease states. She is currently the Director of Human Performance Operations and Outreach Education...


Dec 10, 2019

Dr. Andrew Chappell is a Lecturer/Researcher at Robert Gordon University, conducting research in sports nutrition, with a specific focus on bodybuilding.

Andrew is also a world-class natural bodybuilder with an unprecendented level of national and international success; having 2 Pro Cards and 6 British titles to his...


Dec 3, 2019

Dr Meeta Singh is a sleep doctor whose work and research focuses on “coaching the sleep muscle” to help maximize performance in both individual athletes and sports teams.

She is the Service chief of the sleep medicine, and section head and medical director at the Henry Ford sleep laboratory in Michigan.

She did her...


Nov 26, 2019

Ciaran O’ Regan is currently a strength & conditioning coach in Cork, Ireland, predominantly working with rugby teams. He recently began a Professional Doctorate under John Kiely of University of Central Lancashire.

Ciaran has a BSc. in Sport & Exercise Science from the University of Limerick. Ciaran also works online...


Nov 19, 2019

Dr. Robin Tucker is currently an Assistant Professor of Food Science & Human Nutrition at Michigan State University.

The Ingestive Behavior Lab at MSU, under Dr. Tucker’s direction, examines the biological and environmental factors that influence human feeding practices.She is especially interested in how the chemical...