About Me

Dr. Kyl Smith

Pioneering Science-Backed Solutions for Optimal Health

Dr. Kyl Smith, known simply as "Dr. Kyl" to his colleagues, is a renowned leader in men’s health, natural medicine, and testosterone optimization. A multi-patented inventor, noted researcher, and the inventor of “America’s #1 Bestselling Brain Health Supplement”, he has spent over 30 years helping men reclaim their vitality through science-backed, natural strategies.

For more than a decade, thousands of doctors, physicians, and healthcare practitioners have turned to Dr. Kyl for expert education on naturally increasing testosterone in otherwise healthy men. His highly sought-after Continuing Education programs have been presented to audiences of over 3,000 medical professionals at a time—making his work one of the most impactful in the field of men's hormone health.

Dr. Kyl holds a Doctorate of Chiropractic, is a member of the American Botanical Council, and is a recipient of the Dr. James W. Parker Award. He has also served on the Presidential Advisory Council at Parker University, further cementing his influence in health and wellness.

What Makes Dr. Kyl a Trusted Authority?

A Leading Educator

for Medical Professionals

Dr. Kyl has spent decades training doctors on the science of natural testosterone enhancement. His Testosterone Switch program—once exclusive to physicians—is now available directly to consumers, providing men with the same cutting-edge strategies used by top healthcare professionals.

A Proven Track Record

with Natural Medicine

With millions of bottles sold, Dr. Kyl’s innovations in brain health and hormone optimization have helped people around the world improve memory, concentration, energy, and vitality. His best-selling book, Brighter Mind, continues to be a trusted resource for cognitive health.

A Science-Backed Approach

to Men's Health

Dr. Kyl’s research-driven methods are grounded in over 600 peer-reviewed scientific studies, offering natural, effective, and measurable solutions for improving testosterone, energy, and overall performance.

A Passion for Helping Men

Reclaim Their Strength

Whether through his books, research, or direct education of medical professionals, Dr. Kyl is on a mission to help men feel stronger, think sharper, and live more vibrant lives—naturally.