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GBG Scientific Advisory Board


Dr. David Gilliam is an extremely experienced medical doctor who has had a family medical practice in California for 35 years. He has delivered more than 2,000 babies and for decades has taken care of kids, parents and all the family members as they grow and age. As he likes to say, he provides “cradle to grave medical care.”

Dr. Gilliam grew up in Oklahoma, and attended the University of Arkansas and the University of Oklahoma, School of Medicine. He is a standing member of the American Academy of Family Practice Doctors and even after all these years, is still practicing medicine full time today and seeing patients regularly.

Because of his vast experience, he strongly believes in preventive care, which means preventing diseases before they can take over in your body. This is why he is “on board” with GBG. He loves what our products are doing to help people achieve and maintain optimal health.

Dr. Gilliam’s longstanding reputation for professional integrity and his dedication to excellence, combined with his focus on preventative care and the importance of natural products make him an ideal member of our Scientific Advisory Board.


Dr. Christopher Fabricius is a licensed primary care physician in the state of Washington with nearly 16 years of clinical experience. He is a 1997 graduate of the oldest fully accredited Naturopathic Medical School in the United States: The National College of Naturopathic Medicine in Portland, Oregon

Although he is licensed to prescribe drugs, deliver babies, and do minor surgery, his area of ‘Clinical Expertise’ centers upon all of the ‘Scientifically Validated forms of Natural Medicine’ including: Clinical Nutrition, Therapeutic Diet, Botanical Medicine, Oligotherapy, Biologic Metabolic Response Modifier Therapy, and many more.

He is a recognized expert in the fields of: German Biological Medicine, Constitutional and Terrain-based Homeopathy, and Living Systems Informational Field Therapy, and he has been Routinely Teaching these subjects over the past 10 years to Physicians and Medical Students alike throughout the United States.

Ralph Moss, PhD – the internationally acclaimed founding advisor to the National Institute of Health’s (NIH) Office of Alternative Medicine personally endorses Dr. Fabricius’ work and lists him in the prestigious Moss Reports as an expert physician capable of providing natural medical care to patients with cancer.

Dr. Fabricius has lectured before numerous colleges and associations including the American Cancer Society, the National College of Naturopathic Medicine, and many more. He has been interviewed in magazines and TV shows alike, highlighting his broad scope and depth of knowledge regarding the human body.

Dr. Fabricius’ tremendous expertise, along with his commitment to natural healing and excellence in care make him a perfect fit for our Scientific Advisory Board.