Gut Health Care
in Lake Forest, IL
Whole-Person Care for Digestive Concerns, Starting With Your History, Nutrition and Triggers
Personalized Gut Health Care at Lake Forest Regenesis
Provider-Guided Care for Digestive Concerns
Lake Forest Regenesis provides gut health care for adults in Lake Forest, Chicago’s North Shore, and Lake County. Bloating, irregularity, and digestive discomfort are some of the most common reasons people feel “off,” and they’re also some of the easiest to ignore or live with for years.
Digestive symptoms can affect energy, comfort, sleep, mood, and daily life. Many people have tried cutting out foods on their own, or been told everything looks fine, without getting real answers about what’s driving their symptoms.
We take a whole-person approach, looking at nutrition, triggers, labs, medications, stress, and your history to understand what’s going on. Milder concerns are treated in-house, and we refer when specialty care is needed. It’s part of our Functional Medicine care.
Why Gut Health Matters
Digestion Affects More Than Your Stomach
Your gut plays a role in digestion, nutrient absorption, and overall well-being. When it isn’t working well, the effects can reach well beyond your stomach, from fatigue and low energy to nutritional deficiencies and poor sleep.
Ongoing bloating, irregularity, or recurring digestive discomfort is worth a closer look, especially when it’s affecting how you feel day to day. Occasional symptoms after a heavy meal are normal; symptoms that keep coming back are a signal.
Digestive issues can also affect how well your body absorbs nutrients like iron, B12, and vitamin D, which can contribute to fatigue. Our guide to common medical causes of fatigue explores those connections.
There’s also a close connection between the gut and the nervous system. Stress, anxiety, and poor sleep can change how the gut moves and how sensitive it feels, which is one reason digestive symptoms often flare during hard seasons of life.
Understanding Your Symptoms
How Long, What Kind, and What Makes Them Better or Worse
We start by understanding how long symptoms have been going on, what they feel like, known triggers, what’s helped, and what you’ve tried avoiding.
Do symptoms follow certain meals or foods? Are they worse with stress, poor sleep, or around your menstrual cycle? Did they start after an illness, a course of antibiotics, a new medication, or a big life change? Have you tried removing foods, and did it make a difference? These details often point toward the cause.
Keeping a simple food and symptom log for a week or two before your visit can be very helpful. It doesn’t need to be perfect; even rough notes on meals, symptoms, sleep, and stress can reveal patterns that are hard to spot from memory.
Common Concerns We Evaluate
Bloating, Irregularity, Mild IBS, Food Triggers & More
Bloating & Gas
Fullness, pressure, or discomfort after eating that keeps coming back.
Irregularity
Constipation, loose stools, or a mix of both that affects daily life.
Mild IBS
Recurring abdominal discomfort and bowel changes without another clear cause.
Food Triggers
Symptoms that seem tied to certain foods, meals, or eating patterns.
Nutritional Concerns
Gut issues can affect how iron, B12, vitamin D, and other nutrients are absorbed.
Fatigue & Discomfort
Digestive symptoms that wear on energy, sleep, and daily life.
A Personalized Approach to Gut Health
Care Built Around Your Symptoms and Goals
Allana looks at your nutrition, labs, symptoms, and history, explains what your body is telling you, and lays out your options, including the risks and benefits of each.
You decide what fits, and we adjust as we learn how your body responds. Gut health care is rarely a single fix; it’s usually a process of trying a change, seeing how you respond, and refining from there.
We’ll be clear about what we can treat in-house, what to watch for, and when a specialist makes sense, so you’re never left wondering about next steps.
Our aim is practical relief that fits your life: an eating pattern you can actually maintain, a clear understanding of your triggers, and a plan you feel confident following.
What to Expect at Your First Visit
A Thorough Look at Your Digestive History
Your first visit covers your symptoms, how long they’ve been going on, triggers, diet, medications, supplements, and what you’ve already tried.
We also order a comprehensive morning lab panel, which can reveal deficiencies, anemia, blood sugar issues, thyroid changes, or other factors that may be related to your symptoms. Our guides to ferritin and iron and vitamin D and B12 explain some of the markers we look at.
Bring any food or symptom notes you’ve kept, along with a list of your medications and supplements, since some can affect digestion.
If you’ve had prior testing, imaging, or procedures with another provider, bring those results too. They help us avoid repeating tests and give a fuller picture of your history.
Gut Health Care Options
Tailored to Your Symptoms and Results
Plans depend on your symptoms and what we find, and they’re adjusted over time.
For many people, the first steps involve identifying triggers, adjusting what and how they eat, addressing deficiencies, and looking at stress and sleep. According to the NIH, dietary changes, such as adding fiber, avoiding gluten, or following a low-FODMAP approach, help some people with IBS, though different changes help different people. If celiac disease is a possibility, testing should happen before you remove gluten, since going gluten-free first can affect the results.
We’ll guide you through changes one step at a time so you can tell what’s actually making a difference.
Changes are usually made one at a time and given a few weeks to show an effect. That pace can feel slow, but it’s the most reliable way to learn what your body responds to and to avoid unnecessary restrictions.
Nutrition & Trigger Changes
Identifying foods and habits that may be driving symptoms, one step at a time, so it's clear what is actually helping.
Nutritional Support
Addressing deficiencies that may be related to digestive issues, based on your lab results.
Lifestyle & Stress
Sleep, stress, activity, and daily routines can all affect digestion, so they are part of your plan. The gut and the nervous system are closely linked.
Ongoing Adjustments
We track how you respond and adjust your plan, and refer to a specialist if symptoms aren't improving.
Nutrition & Your Gut
Food, Triggers, and the Nutrients You Absorb
What you eat, and how your body handles it, plays a big role in gut symptoms. Identifying food triggers and patterns is often one of the most useful steps, but it’s best done carefully, since cutting out too many foods at once can make it harder to eat well and harder to tell what’s helping.
Digestive issues can also affect how well you absorb nutrients, so we look for deficiencies too. Correcting those can improve energy and how you feel overall.
Eating habits matter as well. Meal timing, eating quickly, and hydration can all affect digestion, and small changes there are often an easy place to start.
When to See a Gastroenterologist
Knowing When to Refer Up
We treat milder concerns like mild IBS in-house. Depending on the severity of symptoms, or if you’re not improving with care, Allana refers you to a gastroenterologist.
A gastroenterologist can perform procedures and testing we don’t do in our office, such as a colonoscopy or endoscopy, and evaluate conditions like celiac disease or inflammatory bowel disease when they’re suspected.
Some symptoms shouldn’t wait. If you’re ever unsure whether something needs urgent attention, our guide to primary care vs. urgent care vs. the ER can help you decide where to go.
Symptoms That Need Prompt Attention
Blood in the stool, unexplained weight loss, severe or worsening pain, ongoing vomiting, difficulty swallowing, or fever with digestive symptoms should be evaluated right away by a medical professional.
It's also worth a prompt evaluation if symptoms are new after age 45, wake you at night, or come with anemia, or if you have a family history of colon cancer, celiac disease, or inflammatory bowel disease.
Medical Disclaimer
This content is for informational purposes only and is not medical advice. No treatment can guarantee results. See our Medical Disclaimer.
Your Gut Health Process
From Consultation Through Follow-Up
Consultation
Your symptoms, history, triggers, medications, and goals.
Labs & Evaluation
A comprehensive morning lab panel and a close look at your history.
Your Personalized Plan
Options explained clearly so you can choose what fits.
Follow-Up & Adjustments
We track your progress and refer up if needed.
Meet Your Gut Health Provider
Gut Health Care Led by an Experienced Family Nurse Practitioner
Gut health care at Lake Forest Regenesis is led by Allana Bush, FNP-C, RN, PHN, MSN, a family nurse practitioner with more than 20 years of healthcare experience.
Her clinical focus includes hormone optimization, sexual wellness, functional and regenerative medicine, medical weight management, metabolic health, and personalized wellness care. This broader perspective allows digestive symptoms to be considered within the context of your overall health, including hormones, stress, and nutrition.
Allana treats milder concerns in-house and refers to a gastroenterologist based on severity or response.
Because digestive symptoms often overlap with other concerns, like fatigue, weight changes, or hormone shifts, Allana can look at them together in one plan, with the same provider at every visit.
Benefits of Whole-Person Gut Health Care
Designed to look at your whole story and adjust as you respond.
Looks at Your Whole Story
History, symptoms, triggers, nutrition, and stress together.
Comprehensive Labs
A full morning panel drawn in our office to check for related issues.
Nutrition-Focused
Diet, triggers, and eating habits are part of every plan.
Adjusted Over Time
Care that follows how you respond, step by step.
Specialist Referrals When Needed
Gastroenterology when it's appropriate, with care kept connected.
You Make the Decisions
Clear options so you can choose what fits.
Related Reading
Whole-Person Health Articles From Our Patient Education Library
Gut Health Frequently Asked Questions
Answers to Common Questions About IBS, Nutrition & Referrals
Do you treat IBS?
We treat milder IBS in-house. More severe cases, or symptoms that don't improve, are referred to a gastroenterologist.
Can my diet affect my gut symptoms?
Often, yes. Identifying food triggers and patterns is a common and useful part of gut health care.
What should I bring to my first visit?
A list of your symptoms, how long they've been going on, any known triggers, and your medications and supplements.
When should I see a gastroenterologist instead?
Severe symptoms, warning signs like blood in the stool or unexplained weight loss, or symptoms that don't improve with care may need a specialist.
Can stress affect my digestion?
Yes. The gut and nervous system are closely connected, so stress and poor sleep can make symptoms worse.
Should I cut out foods before my visit?
It's better not to cut out many foods at once. Keep eating normally and log what you eat and how you feel.
Start Your Regenesis Today
Take the Next Step Toward Personalized Gut Health Care
Begin With a Consultation
We review your symptoms, history, triggers, and goals.
Labs & Evaluation
A comprehensive morning lab panel and a close look at your history and patterns.
Build Your Plan
Clear options, adjusted as you respond. Results vary, and no treatment can be guaranteed. See our Medical Disclaimer.
A Personal Message From Your Provider
Your Gut Deserves Attention
“Digestive symptoms can wear you down, and a lot of people have been living with them for years before they come in.
I want to understand your symptoms, what’s helped, and what hasn’t. Then I explain your options and we work through them step by step until we find what works for you.
And if you need a specialist, I’ll tell you honestly and help you get there, so your care stays connected.”
Allana Bush, FNP-C, RN, PHN, MSN
Medical Weight Management & Hormone Optimization
Lake Forest, IL




