The One Life Way

One Life is the leading weight loss and wellness destination in San Diego. We have changed the lives of thousands of our clients and their families through our unique, medically-based weight loss plan.  Our goal isn’t just for One Life to be the most successful diet you ever try, but for it to also be the easiest. And the last.

 Dr. Jonathan Haynes and the Creation of One Life

Weight loss expert and Family Physician, Jonathan Haynes, MD created One Life with the intention of revolutionizing weight loss. After years of study and experimentation Dr. Haynes created the One Life Diet based on a true understanding of the science behind weight loss and a deep personal insight into the psychology behind losing weight. 

Success Stories

One Life’s weight loss success has truly been incredible – from those with only 10 pounds to lose to those with over 100, for both men and women, young and old, local or long distance. Watch their stories and get inspired.

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