Why Manna?
To me, Manna represents God’s intuitive provision for whole health. I strive to partner with the wisdom of our Creator in how I practice functional Medicine so that you receive just what your body needs to live as it was made to.
Dr. Morgan has spent years on the front lines of conventional medicine — hospitalist shifts in a Level 1 Trauma Center, managing the downstream consequences of illness that started years before anyone intervened. That experience hasn’t just shaped how he sees disease. It has convinced him there is a better place to practice medicine: before the crisis, not during it.
Manna Wellness is that conviction made into a practice — physician-led, root-cause focused, and built around the belief that the body was created with the capacity to heal when it's properly supported.
Decode stress patterns that affect metabolism and energy
Balance hormones and inflammation for sustainable change
Heal digestion and immune dysfunction at the source
Build resilience — not just temporary relief
Meet Zack Morgan, MD— Your Guide to Deep-Rooted Healing
Credentials & Training
Certified Functional Medicine Practitioner — Institute for Functional Medicine (IFM). IFM is the leading credentialing organization in functional medicine. Their certification is physician-specific, requires completing a multi-year curriculum and formal examination, and is the most rigorous training available in the field — designed to distinguish physicians with full functional medicine training from practitioners with weekend certifications.
Hospitalist Physician — Seven-plus years as a hospitalist at a Level 1 Trauma Center and Tertiary Care Referral Center in Dallas, managing complex acute illness across thousands of patients. That frontline clinical depth is what separates functional medicine practiced by a physician who has worked at the edge of disease from functional medicine practiced by someone without it.
Board-Certified in Internal Medicine — American Board of Internal Medicine (ABIM). Board certification in Internal Medicine means passing a rigorous national examination and maintaining ongoing continuing education requirements — it's the standard credential for physician competency in adult medicine. Not all physicians who practice are board-certified; ABIM certification is an active, ongoing commitment, not a one-time milestone.
My approach to functional medicine begins with a focus on 3 main body systems: the Adrenals, the GI system, and the Detox system. By building health within these three body systems, we can provide enough support for the body to find its balance again without going down endless rabbit holes. Living in wellness doesn’t have to be an endless pursuit, it’s what we were created for.
My Approach
Adrenal System
Cortisol is one of the most prominent hormones made by the adrenal glands. It has wide ranging implications on our health and can be related to anything from stress levels to thyroid function, excess weight and immune function. Restoring adrenal balance provides a foundation upon which to build vibrancy.
GI System
The importance of a healthy GI system cannot be overstated. Every year, more research comes out showing the ways our gut health can affect our mood, autoimmune conditions, energy levels and much more. It’s also one of the most common sources of hidden inflammation. Addressing our gut microbiomes and healing the gut, can improve energy, inflammation and even our mood.
Detox System
Everyday in our modern world, we experience an onslaught of toxins. Whether it’s the chemicals in our drinking water or food, microplastics finding their way into everything, or the ever-increasing EMF exposure we face, improving our bodies’ abilities to deal with these forces has never been more important.