Real Lives.
Real Food.
Real Results.

The Art & Science of Healthy Living

Simple, Effective, Evidence-Based, and Customized for YOU

Julie dropped 123 lbs!
Steven dropped 112 lbs in 37 weeks!

Reach Your PEAK Life with PHD

Using the art and science of healthy living, we help real people attain real results to enjoy their best lives.


Life Changes


Lbs dropped


Reduction in Insulin1


HbA1c Reduction2

As demonstrated by these two peer-reviewed published clinical trials: Hallberg et al.1 and Bhanpuri et al.2 Individual results may vary.

Meet Our PHD Weight Loss Founder:

Dr. Ashley Lucas PhD, RD

PHD Founder Dr. Ashley Lucas has 15+ years of education in nutrition and metabolism. She holds a PhD in Sports Nutrition and Chronic Disease and is a Licensed Registered Dietitian (RD).

Following years of research and clinical practice, Dr. Lucas developed PHD's science-based approach that revolutionized the science of weight loss. Her approach focuses on metabolic wellness, inflammation reduction, and most importantly behavioral/emotional support that creates profound sustainable transformation in the body and mind.

Join our thousands of clients who enjoy continued success through living & embracing the PHD Lifestyle.

PHD Founder Dr. Ashley Lucas

Get Dr. Ashley Lucas's New Ground Breaking Book,
The Ultimate Weight Loss Secrets for FREE

Discover how to get your body to listen to you, uncover the 3 false "tried-n-true" weight loss myths, and most importantly, learn why weight gain isn't a personality flaw or lack of discipline

Proven Successful by Thousands of Clients

What our clients are saying:

Google Reviews

Client Experiences


Down 185 Lbs in 52 Weeks

"I had to do something to lose it all, because I didn't want to die in ten years."

More Videos

Jesse's Success Story
Dale's Success Story
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Lew's Success Story
Leonard's Success Story
Christine's Success Story
Linda's Success Story
Dan & Charyl's Success Story
Paul's Success Story
Mike's Success Story

Performance. Health. Diet.

We help real people live extraordinary lives

*PHD client before and after pictures represent the dramatic change resulting from the PHD dietary protocol and behavioral approach. Weight loss results vary per individual.

Sue dropped 95lbs!
Kipper dropped 77lbs!
Julie dropped 123 lbs!
Steven dropped 112 lbs in 37 weeks!
Lauren went down 47.4 lbs in 28 weeks!
David dropped 63 lbs in 20 weeks!
Sara's Down 83lbs!
Christina dropped 97lbs!
John let go of 60 lbs!
Tammy dropped 57.5 lbs in 25 weeks!
Jason dropped 90.5 lbs in 29 weeks!
Christine let go of 98 lbs in 50 weeks!
Vince let go of 88 lbs in 23 weeks!
Talia let go of 48 lbs in 21 weeks!
Tom went down 53.2 lbs in 17 weeks!
Amy let go of 85.8 lbs in 40 weeks!
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How The PHD Approach Works Uniquely For You

There is a way to escape diet failure, frustration and continued weight gain cycling and it’s not by counting calories or moving more and eating less. The human body is much more complicated than a simple in and out equation. The PHD approach does not use expensive medications, hormones or even supplements.

In everything we do, we believe in challenging standard ways of thinking when it comes to nutrition and weight loss. We believe in thinking and acting differently. This shines through our coaching, our program, and our clients. With PHD, you'll create profound changes in your mind and body that will ultimately impact every aspect of your life.

Learn more about our SIMPLE, customized and novel weight loss approach.

Say hello to significant outcomes

Don’t waste another minute wondering how you can embrace a healthier lifestyle – schedule an appointment at 1.800.674.8991.

Get Started Today


Haven’t scheduled yet and want to learn more?

Take the FREE PHD Self Test to see if PHD is the right fit for you!

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