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Vaughan Vitality Wellness Dr. Kristi Vaughan DC

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Costa Mesa, CA
Vaughan Vitality Wellness Dr. Kristi Vaughan DC

As a Functional Medicine Specialists, we help you to determine what is the root cause of the problem

Dr. Kristi Vaughan is doctor who specialize in Functional Medicine. She helps you to determine what is the root cause of the problem that keeps you from your best health & vitality. We help patients with diabetes, autoimmune disease, thyroid, digestive issues, brain health, mold toxicity or the person who wants to stay healthy. In our office we implement diagnostic testing such as blood work, food allergy & sensitivity test, heavy metal test, mold test, adrenal & hormone test and more to help determine your treatment plan.

10/08/2025

How to tell if there is mold in your house?
From smelling something odd to feeling sick, there are a number of different signs that can indicate that you might have mold in your house.

• You visibly see mold spores.
• You feel like you have a lingering cold or are battling flu-like symptoms.
• You notice a bit of a musty or damp smell.
• You know that there's a history of flooding in your home.
• You get frequent headaches that just seem to keep getting worse.
• You struggle with breathing or have some respiratory issues.
• There are places in the house where water or moisture tends to collect.
• And more...

If you do suspect you have mold in your home, getting it taken care of as soon as you can is very important as the situation generally won't improve over time. If you want to know if you are affected by mold, go to our website at www.vaughanvitality.com to take the VCS (visual contrast test).

If you don't address any underlying leakage, however, you really haven't gotten things under control — the mold will likely come back.

10/06/2025

Recognizing Hidden Heavy Metal Toxicity in Complex Health Conditions

When patients arrive at my practice with unexplained fatigue, brain fog, mood disorders, or treatment-resistant chronic conditions, I always consider heavy metal toxicity as a potential underlying factor that conventional medicine frequently overlooks. As a functional medicine physician, I’ve observed that heavy metals like mercury, lead, cadmium, and arsenic can accumulate silently over decades, creating widespread cellular dysfunction that manifests as seemingly unrelated symptoms. In my clinical experience, patients with heavy metal toxicity often present with neurological symptoms including memory problems, concentration difficulties, anxiety, and depression that don’t respond well to standard treatments. Many also experience hormonal imbalances, digestive issues, chronic fatigue, and autoimmune-like symptoms that improve dramatically once we address underlying metal burden. Through detailed patient histories, I frequently discover exposure sources including dental amalgam fillings, contaminated water, occupational hazards, imported products, or high-mercury fish consumption that contribute to gradual accumulation. The insidious nature of chronic low-level exposure means symptoms develop slowly and are rarely connected to metal toxicity by patients or their previous healthcare providers.

READ MORE 👇🏻

https://www.vaughanvitality.com/functional-medicine-for-heavy-metal/

10/03/2025

If you have hypothyroidism, you are at a significant risk of developing Hashimoto’s thyroiditis as well.

This is a concerning issue that continues to grow. Unfortunately, the biggest challenge lies in the fact that many doctors lack effective treatment strategies for this condition, which can be detrimental to your thyroid health.

Many individuals with Hashimoto’s find themselves in a waiting game, watching their condition deteriorate until it takes over their lives.

We believe that everyone affected by thyroid disorders, including Hashimoto’s, deserves to lead a happy and healthy life.

Our expertise in thyroid health is grounded in the success stories and experiences of our patients. Our mission is to enhance education around thyroid health, create straightforward solutions, and promote a lifestyle that fosters thyroid wellness without limitations.

We have successfully worked with numerous Hashimoto’s patients, often seeing consistent improvements in thyroid antibody levels.

For those dealing with Hashimoto’s thyroiditis or other autoimmune issues looking to support their immune system, effective supplements include Vitamin A, D3K2, Vitamin C, and zinc. To manage inflammation, we recommend Resvero SE and Tumero SE.

Visit our website at (http://www.vaughanvitality.com), where you can find these supplements under the shop tab.

09/29/2025

Understanding Mold-Related Illness: Beyond Allergic Reactions
When patients come to my practice with mysterious symptoms like chronic fatigue, brain fog, respiratory issues, or unexplained mood changes, I always consider mold exposure as a potential underlying cause that conventional medicine frequently overlooks. As a functional medicine physician, I’ve learned that mold-related illness extends far beyond simple allergic reactions to encompass complex systemic dysfunction affecting multiple organ systems. In my clinical experience, patients with mold toxicity often present with seemingly unrelated symptoms including cognitive impairment, joint pain, hormone disruption, and digestive problems that previous doctors attributed to stress, aging, or psychiatric conditions. Mycotoxins produced by certain molds act as potent neurotoxins and immune disruptors that can create widespread inflammation and cellular damage throughout the body. Many patients spend years seeking answers for their deteriorating health while living or working in water-damaged buildings that harbor toxic mold species. Through detailed environmental histories and symptom assessment, I often discover patterns connecting symptom onset to specific locations, water damage events, or seasonal exposures that provide crucial clues about mold-related illness.

READ MORE 👇🏻

https://www.vaughanvitality.com/functional-medicine-for-mold/

09/18/2025

September is Thyroid Cancer Awareness Month.

It's an important opportunity to discuss Thyroid disease.
One in 10 Americans affected by Thyroid disease in their lifetime, yet up to 60% remain unaware of their condition.

Have You Checked Your THYROID Yet?
If you like to get your Thyroid checked call the office off at (714)434-9355 OR visit 👉🏻 www.vaughanvitality.com to schedule your check up.

09/16/2025

Metabolic Syndrome and Insulin Resistance Pathways.

Diabetes doesn’t develop overnight but represents the end stage of a progressive metabolic dysfunction that begins years before blood sugar levels reach diagnostic criteria. As a functional medicine practitioner, I focus on identifying and reversing insulin resistance, the underlying driver of type 2 diabetes that affects cellular glucose uptake and energy metabolism. This process typically starts with chronic inflammation triggered by poor dietary choices, nutrient deficiency, gut imbalances, sedentary lifestyle, chronic stress, and environmental toxins that interfere with insulin signaling pathways at the cellular level. When cells become resistant to insulin’s message, the pancreas compensates by producing increasingly higher amounts of insulin, creating a vicious cycle of hyperinsulinemia that promotes fat storage, particularly around the midsection, while simultaneously depleting the pancreatic beta cells responsible for insulin production. Through comprehensive metabolic testing including fasting insulin levels, glucose tolerance tests with insulin measurements, and inflammatory markers like C-reactive protein and interleukin-6, I can identify insulin resistance patterns years before conventional diabetes screening would detect abnormalities, allowing for early intervention that can prevent or reverse the progression to full-blown diabetes.

READ MORE 👇🏻

https://www.vaughanvitality.com/functional-medicine-for-diabetes/

09/08/2025

SIBO
Is small intestinal bacterial overgrowth, is defined as an excessive amount of bacteria in the small intestine or small bowel. The small intestine plays an important role in absorbing nutrients and digesting food.
There is naturally occurring bacteria throughout the digestive system and when in proper balance it helps to digest foods properly. Most of the gut bacteria can be found in the large intestine and work to help your body function well. However, when this bacteria invades and takes control of the small intestine, then SIBO can occur , leading to a number of health concerns.
Every year, millions of Americans are suffering from gastrointestinal (GI) disorders and symptoms. In the United States alone, one of the most common functional GI disorders, irritable bowel syndrome, affects an estimated 25 to 45 million people.
It seems the digestive system is under attack. If you're experiencing excessive abdominal swelling, bloating, and gas or dealing with IBS, there may be another digestive disorder lurking: small intestinal bacterial overgrowth or SIBO.

Here are some of the signs and symptoms of SIBO:
🔹 Gas, diarrhea, and constipation
🔹 Malnutrition and unexplained weight loss
🔹 Rosacea, rashes, and acne
🔹 Irritable bowel syndrome or irritable bowel disease diagnosis

Conditions which could increase your risk of SIBO include:
🔸 Diabetes
🔸 Scleroderma
🔸 Injury
🔸 Fistula
🔸 Aging
🔸 Blind loop syndrome

Other symptoms you may experience from SIBO also include:
▪️ Nausea
▪️ Fatigue
▪️ Joint pain
▪️ Vomiting
▪️ Asthma

How to Test and Treat SIBO
There are several ways to check if you have SIBO; these include a breath test, stool test, symptoms checklist, and an Organix dysbiosis test.

To treat SIBO, start by starving off the bacteria. This means no sugar, alcohol, and carbohydrates like cake, cookies, and whole grains. Once you’ve treated the bacterial overgrowth, you then need to start restoring the good bacteria. Not all probiotics are made equal, and when it comes to treating SIBO, some can actually make it worse. For SIBO, always look for a soil-based probiotic.

When treating SIBO symptoms, give your body time to repair while fighting the overgrowth of bacteria in your small intestine. Unfortunately, small intestinal bacterial overgrowth can go undiagnosed, and its true prevalence throughout the U.S. isn’t fully known. SIBO could actually be behind your IBS symptoms or excessive bloating and gas. Always listen to your body and don’t let SIBO go unnoticed.

If you or your loved ones have any of these symptoms call the office at 714-434-9355 to schedule your free health assessment and to learn how we can heal your gut naturally.

09/03/2025

Invisible Invaders: What Parasites Are and How They Affect You.

Parasites are organisms that depend on a host to survive, often at the host’s expense. Unlike infections that trigger immediate symptoms, many parasites live quietly inside the body for weeks, months, or even years without causing obvious signs. They can affect various systems—from your digestive tract to your blood or skin—and their presence can subtly weaken your immune system or interfere with nutrient absorption. Although parasites are often associated with travel to developing countries or poor sanitation, they are more common than many realize, even in everyday environments. Because these invaders often remain hidden, learning about their nature and potential effects is essential for protecting your well-being. An important way to address these issues is through Functional Medicine, which focuses on uncovering root causes and restoring balance.

READ MORE 👇🏻

https://www.vaughanvitality.com/parasites-you-can-get-without-knowing-and-how-to-stay-safe/

08/25/2025

GOOD MORNING "Great things happen to those who don't stop believing, trying, learning, and being grateful."

08/21/2025

The Gut–Immune Connection You Might Not Know About
When most people think about their immune system, they picture white blood cells patrolling the bloodstream or the occasional sniffle keeping their defenses busy. But the truth is, a significant portion of your immune system actually lives in your gut. The lining of your gastrointestinal tract is home to an intricate network called the gut-associated lymphoid tissue (GALT), which houses specialized immune cells. This is no accident — your digestive tract is the first point of contact for countless foreign substances, from food particles to environmental microbes. Your gut acts as a training ground, teaching immune cells to distinguish between harmless visitors and genuine threats. Without this daily “classroom,” your immune system would be less capable of responding efficiently when pathogens strike. In Functional Medicine, this gut–immune connection is a central focus, emphasizing how restoring balance in digestion can directly strengthen overall immunity.

READ MORE 👇🏻

https://www.vaughanvitality.com/how-your-gut-trains-your-immune-system-from-the-inside-out/

08/18/2025

Understanding the Hidden Nature of H. pylori
Helicobacter pylori, more commonly known as H. pylori, is a type of bacteria that quietly takes up residence in the lining of the stomach. For many people, it remains unnoticed for years, causing no obvious symptoms in its early stages. This is why it is often referred to as a “silent” infection. While the body’s immune system tries to respond, the bacteria have evolved to survive in the stomach’s acidic environment, gradually weakening the protective mucous layer. If left unchecked, this ongoing irritation can lead to gastritis, ulcers, and in severe cases, increase the risk of stomach cancer. Because the infection doesn’t always announce itself with immediate discomfort, it can be challenging to identify without proper screening. Recognizing its stealthy nature is the first step in preventing long-term harm — a connection that Functional Medicine often emphasizes when addressing root causes and supporting long-term wellness.

READ MORE 👇🏻

https://www.vaughanvitality.com/the-silent-h-pylori-infection-how-to-catch-it-before-it-harms-your-stomach/

08/13/2025

The Gut–Immune Connection You Might Not Know About.

When most people think about their immune system, they picture white blood cells patrolling the bloodstream or the occasional sniffle keeping their defenses busy. But the truth is, a significant portion of your immune system actually lives in your gut. The lining of your gastrointestinal tract is home to an intricate network called the gut-associated lymphoid tissue (GALT), which houses specialized immune cells. This is no accident — your digestive tract is the first point of contact for countless foreign substances, from food particles to environmental microbes. Your gut acts as a training ground, teaching immune cells to distinguish between harmless visitors and genuine threats. Without this daily “classroom,” your immune system would be less capable of responding efficiently when pathogens strike.

READ MORE 👇🏻
https://www.vaughanvitality.com/how-your-gut-trains-your-immune-system-from-the-inside-out/

Address

151 Kalmus Drive Suite E-130
Costa Mesa, CA
92626

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Telephone

+17144349355

Website

http://www.vaughanvitality.com/

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Our Story

Dr. Kristi Vaughan is a Functional Medicine Doctor. She helps you to determine what is the root cause of the problem that keeps you from vitality. We help patients from with diabetes, autoimmune disease, thyroid or the person who wants to stay healthy. In our office we implement diagnostic test, food allergy test, adrenal hormone test and more to help determine your treatment plan.