Expert Q&A

My stomach is killing me, any advice — how a functional medicine approach differs

Understanding Your Stomach Pain in Midlife

As someone navigating the 45-54 age range with hormonal changes, diabetes, blood pressure concerns, and stubborn weight, that gnawing stomach pain is more than an annoyance—it's often a signal of deeper imbalances. In my years helping thousands through the CFP Weight Loss method, I've seen how conventional medicine typically offers quick antacids or PPIs that mask symptoms without addressing why your gut is rebelling. This leaves you stuck in the cycle of failed diets and overwhelming advice.

How a Functional Medicine Approach Differs

Unlike conventional care that focuses on diagnosis and medication for stomach pain relief, functional medicine digs into root causes. We examine your unique terrain: microbiome disruptions from years of processed foods, insulin resistance driving inflammation, or estrogen shifts in perimenopause slowing digestion and promoting belly fat. My CFP protocol starts with a simple 7-day gut reset—no complex meal plans required. Swap inflammatory triggers like refined sugars and seed oils for anti-inflammatory foods such as wild-caught salmon, fermented vegetables, and bone broth. This reduces joint pain that makes movement feel impossible while stabilizing blood sugar.

Testing often reveals issues like small intestinal bacterial overgrowth (SIBO) or low stomach acid, which conventional doctors might overlook. We correct these with targeted supports: digestive enzymes before meals, 30 grams of fiber daily from easy sources like chia pudding, and stress-reduction walks that fit your schedule without gym intimidation.

Actionable Steps for Beginners Battling Obesity and Gut Issues

Begin with my "Plate Method" from the CFP guide: fill half your plate with non-starchy veggies, a quarter with lean protein, and a quarter with resistant starch like cooled sweet potatoes to feed good bacteria. Track symptoms in a one-page journal—note pain levels, energy, and bowel habits. Many clients see 50% stomach pain reduction in two weeks, plus 4-8 pounds lost without feeling deprived. For insurance barriers, these changes cost less than $50 weekly and complement your diabetes management by lowering A1C naturally.

Long-Term Weight Loss Success Through Gut Repair

Repairing your gut lining with glutamine-rich foods and eliminating food sensitivities breaks the inflammation-weight gain loop. This isn't another diet you'll fail—it's sustainable biology. Patients report less embarrassment asking for help once they experience relief, with improved mobility easing joint pain. Consistency over perfection yields results: aim for 10,000 steps daily split into short walks, hydrate with herbal teas like ginger for natural stomach soothing. The CFP approach empowers you to reclaim control without overwhelm.

💬 What the Community Says

In online forums like Reddit's r/FunctionalMedicine and r/loseit, users aged 45-55 frequently share stories of chronic stomach pain dismissed by standard doctors as "just stress" or treated with long-term meds. Most appreciate how functional medicine practitioners spend time mapping symptoms to hormones, diet, and gut tests, leading to personalized plans that also aid weight loss. A common theme is relief from bloating and joint discomfort within weeks of eliminating triggers. However, debates rage over cost—many middle-income posters note insurance rarely covers functional labs, forcing DIY approaches from books and podcasts. Beginners often feel validated hearing others' failed diet histories, with a vocal group praising simple protocols over restrictive ones. Lived experiences highlight gradual wins like better blood pressure alongside digestion, though some warn against self-diagnosis without guidance. Overall, sentiment leans positive for those frustrated with conventional limits, tempered by accessibility concerns.
Clark, R. (2026). My stomach is killing me, any advice — how a functional medicine approach differ. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/my-stomach-is-killing-me-any-advice-how-a-functional-medicine-approach
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

Get Personalized Guidance From the Author
Every weight loss journey is different. Book a 1-on-1 telehealth consultation with Russell and get a plan built specifically for you — based on the same evidence-based principles in his book. Available to patients in all 50 states.
Book Your Consultation →
Have a follow-up question?
More Questions 200 answered
▸ Im eating so well that I accidently put my body in ketosis and how it connects to gut health and inflammation: best practices and common mistakes to avoid? ▸ 56M arm day was fun. But arms shrinking from 16 inches to 15 1/2. Gotta up protein? Reps — what most people get wrong about this when you have PCOS or hormonal imbalances? ▸ Can you take vitamin D with a tbsp of oil on an extended water fast for people with insulin resistance during the weight loss plateau phase? 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… ▸ My weight loss progress so far as a 23 year male who stared eating less unhealthy and does little to moderate exercise. Am I doing well — evidence-based answer for CFP patients for people with insulin resistance? ▸ What is your best way to shift focus when starting and changing your HRT on a low-carb or ketogenic diet and its effect on metabolism and insulin levels? ▸ I have an iodine deficiency. Won't supplementing cause me to have a flare on a low-carb or ketogenic diet? 📖 Cellular Detox — The process of clearing out metabolic waste and reducing cellular stress to allow for more efficient energy production a… ▸ Weight loss without GLP-1 — what does the research actually say while doing intermittent fasting? ▸ I am on my second week of mounjaro (2.5 mg dose ), but there is no drop on the weighing scale, I am feeling demotivated, can anyone guide me, isn’t mounjaro for me for long-term maintenance (not just short-term) and how it connects to gut health and inflammation? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Im eating so well that I accidently put my body in ketosis and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? 📖 Adipose Tissue Signaling — The way fat cells communicate with the brain; our goal is to fix these signals so the body stops defending an unnaturall… ▸ Diabetics with TPN (IV nutrition experience) and the role of cortisol and stress hormones on a low-carb or ketogenic diet? ▸ What is the connection between Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better and how it connects to gut health and inflammation? ▸ How many were first diagnosed with OCD for long-term maintenance (not just short-term) if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Gut-Brain Axis — The complex communication network between your digestive system and your brain that controls satiety, mood, and metaboli… ▸ Does drinking Sparkling Ice (flavored sparkling water - 5 calories per bottle) during my fasting window break my fast and the role of cortisol and stress hormones during the weight loss plateau phase? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? ▸ 42yom Im finding it much harder to lose weight, what are some things I can do now to start losing weight? ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide for those with hypothyroidism or Hashimoto’s? ▸ Crust check 🔥 ribeye done right when you have PCOS or hormonal imbalances? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what do certified weight loss coaches recommend when you have PCOS or hormonal imbalances? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… ▸ I am on my second week of mounjaro (2.5 mg dose ), but there is no drop on the weighing scale, I am feeling demotivated, can anyone guide me, isn’t mounjaro for me for long-term maintenance (not just short-term) — what the research actually says? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this and its effect on metabolism and insulin levels? ▸ How are people using 10mg reta vials at low doses during the weight loss plateau phase — what the research actually says? ▸ When the fatigue is real: how to talk to your doctor about this for people with insulin resistance? ▸ Were any of you guys fans of Journey? How big were they when you have PCOS or hormonal imbalances? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… ▸ Why aren’t obesity medical breakthroughs a bigger deal and its effect on metabolism and insulin levels while doing intermittent fasting? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say specifically for women over 40? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances while doing intermittent fasting? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Is it okay for teenagers to do longterm lowcarb/keto — evidence-based answer for CFP patients for those with hypothyroidism or Hashimoto’s? ▸ Good calorie amount? Advice to get high volume low cal and more protein when you have PCOS or hormonal imbalances — what the research actually says? ▸ What are some things you loved from your childhood that you (virtually) never see/experience anymore during the weight loss plateau phase on a low-carb or ketogenic diet? ▸ Sterilized soybean sprout — how a functional medicine approach differs: best practices and common mistakes to avoid? 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones — what certified coaches recommend? ▸ Should I be worried yet, been sitting for 5 days no movement while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones for people with insulin resistance? ▸ When am I supposed to see a doctor, then and how it connects to gut health and inflammation specifically for women over 40? ▸ Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress while doing intermittent fasting? ▸ Can autophagy regenerate muscle during physically active prolonged fast and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 and its effect on metabolism and insulin levels? 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting on a low-carb or ketogenic diet? ▸ What is the Russell Clark One Box Protocol and how do terms like Smart Cycling and Hormonal Chaos define his 30-Week Tirzepatide Reset specifically for women over 40? ▸ 78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss specifically for women over 40 — what certified coaches recommend? ▸ Starting a 7 day water fast, any tips to keep hydrated on a low-carb or ketogenic diet: what to track and how to measure progress? ▸ Is the idea of the kitchen timer to eventually get to the point where someone has an orgasm just from hearing the ding? Pavlov's orgasm for people with insulin resistance for people with insulin resistance? 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… ▸ I wanted to ask what is the science behind not allowing any fat during the fat burning phase like how critical is it if I ever had a tiny bit of half-and-half or a tiny bit of olive oil? Is it really do something to the body. ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? ▸ How long does it take to Is Autophagy? 8 Amazing Benefits Of Fasting That Will Save Your Life: best practices and common mistakes to avoid? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Crust check 🔥 ribeye done right — what the research actually says? ▸ Anyone remember the metal lid you had to use a butter knife to pop off: what to track and how to measure progress while doing intermittent fasting? 📖 Tirzepatide — A dual-acting medication targeting both GLP-1 and GIP receptors, providing a more comprehensive metabolic signal than si… ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones for those with hypothyroidism or Hashimoto’s?