Expert Q&A

When people cut out carbs, what foods are they talking about — how a functional medicine approach differs

Understanding Carb Elimination: The Foods People Typically Cut

When individuals say they are "cutting out carbs," they usually refer to removing or drastically reducing refined carbohydrates and many starchy foods. This includes bread, pasta, rice, potatoes, sugary cereals, cookies, cakes, soda, fruit juices, and even some higher-sugar fruits like bananas and grapes. The goal is often to lower insulin spikes and promote fat burning, but many beginners struggle because they've failed every diet before and feel overwhelmed by conflicting advice.

In my experience guiding thousands through the CFP Weight Loss method, simply slashing these foods without strategy leads to rebound weight gain, especially for those in their late 40s and 50s dealing with hormonal changes that make weight harder to lose. Joint pain often makes intense exercise feel impossible, and insurance rarely covers structured programs, leaving middle-income families searching for practical solutions.

How a Functional Medicine Approach Differs from Standard Low-Carb Diets

Unlike typical low-carb plans that broadly eliminate entire food groups, the functional medicine lens I use in CFP Weight Loss examines root causes such as insulin resistance, thyroid function, cortisol levels from chronic stress, and gut microbiome imbalances. We don't demonize all carbohydrates. Instead, we prioritize anti-inflammatory foods and strategic inclusion of nutrient-dense options like non-starchy vegetables, limited berries, and small amounts of quinoa or sweet potatoes timed around activity levels.

This personalized method addresses the diabetes and blood pressure concerns many face alongside obesity. For example, we test for specific triggers rather than applying a one-size-fits-all cut. Patients learn to manage blood sugar without feeling deprived, which is crucial since 70% of my clients report past diet failures due to unsustainable restriction.

Practical Food Swaps and Timing Strategies That Work

Focus on quality over quantity. Replace white rice with cauliflower rice or small servings of lentils. Swap pasta for zucchini noodles paired with lean protein and healthy fats like avocado or olive oil. For those with no time for complex meal plans, I recommend batch-prepping simple plates: grilled chicken, abundant greens, and a thumb-sized portion of healthy fat. This aligns with our CFP protocol that emphasizes metabolic flexibility – training your body to burn both carbs and fats efficiently.

Beginners embarrassed about their weight find success starting with 100-150 grams of carbohydrates daily from whole sources, gradually adjusting based on energy, sleep, and joint comfort. This avoids the fatigue common in strict keto approaches while supporting blood pressure management.

Why This Sustainable Path Leads to Lasting Results

The CFP Weight Loss framework, detailed in my book, integrates functional testing to uncover why previous diets failed – often due to undiagnosed hormonal imbalances or inflammation. By reintroducing thoughtfully chosen carbs after an initial reset, clients maintain energy for daily life without gym schedules that exacerbate joint pain. Results include average 18-pound loss in 90 days for those aged 45-54, with improved A1C levels and reduced medication needs under physician supervision. The key is education over restriction, empowering you to make informed choices that fit your real life.

💬 What the Community Says

In online forums and support groups, beginners aged 45-54 frequently debate the specifics of carb cutting, with many sharing confusion over whether to eliminate all grains, fruits, or just sugars. Most report initial success with standard low-carb plans but complain of rebound weight, fatigue, and worsening joint pain after 4-6 weeks. A vocal minority praises functional medicine practitioners for running labs and customizing carb reintroduction, noting better energy and hormonal balance compared to generic keto advice. Insurance coverage frustrations are common, as is skepticism after multiple failed diets. Many appreciate simple swaps like veggie noodles but feel overwhelmed distinguishing "good" versus "bad" carbs without professional guidance. Overall sentiment shows growing interest in root-cause approaches over blanket elimination, though time constraints for meal prep remain a top complaint.
Clark, R. (2026). When people cut out carbs, what foods are they talking about — how a functional . *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/when-people-cut-out-carbs-what-foods-are-they-talking-about-how-a-functional-medicine-approach
Russell Clark, 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.

Have a follow-up question?
More Questions 200 answered
Can anyone recommend a good, reliable source for Mounjaro injections which costs less than 200 bucks for four injections please for people with insulin resistance Vomited at new dose, will it happen again next week — what does the research actually say? Zone 2 running is absurdly slow (slower than walking) — am I doing this right if you're on a GLP-1 like semaglutide or tirzepatide Upped dosage + changing patch day: how to talk to your doctor about this How many of you with PCOS had a narcissistic parent growing up: what to track and how to measure progress 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… Would doing this 2-3x a week help increase my Vo2 max if you're on a GLP-1 like semaglutide or tirzepatide Carbon Dioxide Breathalyzer during the weight loss plateau phase Semaglutide Not Working At All... What am I doing Wrong if you're on a GLP-1 like semaglutide or tirzepatide Anyone here works in sales? Does carnivore have positive or negative effect on you? 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → How I feel when tempted to get fast food during finals week: how to talk to your doctor about this What are the biggest misconceptions you’ve seen about GLP-1s — what most people get wrong about this Ladies over 40, how are you losing weight with Insulin Resistance when you have PCOS or hormonal imbalances 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… Used old Mounjaro pen by mistake - should I be worried and its effect on metabolism and insulin levels Anyone use an auto injector for the compounded med and how it connects to gut health and inflammation Anyone worried about the FDA crackdown — what most people get wrong about this Would anyone like to share their personal experiences navigating menopause when you have a mood disorder like bipolar disorder and its effect on metabolism and insulin levels 📖 Hashimoto’s Success — Achieving weight loss and reduced inflammation in thyroid patients by removing dietary triggers like lectins and modern … What tissues show the biggest metabolic remodeling in z2: how to talk to your doctor about this 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Starting my second extended fast tomorrow. Hoping for 12 days or maybe do another 42 — what do certified weight loss coaches recommend? What are the biggest misconceptions you’ve seen about GLP-1s if you're on a GLP-1 like semaglutide or tirzepatide What are the biggest misconceptions you’ve seen about GLP-1s and how it connects to gut health and inflammation 📖 Maintenance Phase — The final 28 days of our 70-day cycle where we stabilize the new weight and solidify the metabolic habits that prevent f… When I want to lose weight fast I fast? Upped dosage + changing patch day for long-term maintenance (not just short-term) Does the bloating really ever get better for those with hypothyroidism or Hashimoto's Astounded to see that 19 million people in the US are on levothyroxine. Why is hypothyroidism so prevalent? What is causing such crazy high levels of thyroid disease specifically for women over 40 📖 GLP-1 Receptor Agonist — A class of medication that mimics natural hormones to improve insulin secretion and slow gastric emptying, used strategi… How does smoking affect GERD while taking tirzepatide? Should we start a new subreddit, that prioritizes evidence-based treatment approaches and science: how to talk to your doctor about this 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Anyone have experience switching from compound injection to pill specifically for women over 40 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 — evidence-based answer for CFP patients For those that struggled with side effects, have you been able to space out your doses successfully if you're on a GLP-1 like semaglutide or tirzepatide Used old Mounjaro pen by mistake - should I be worried — what do certified weight loss coaches recommend? When the clock starts over: what to track and how to measure progress 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … Has Gundry ever explained why he thinks APOE4 carriers love cheese so much — evidence-based answer for CFP patients How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time — what do certified weight loss coaches recommend? How long did you carry a pad post-menopause for people with insulin resistance 📖 Anti-Inflammatory Protocol — A way of eating that prioritizes whole foods and eliminates triggers to quiet the internal 'fire' that prevents fat cell… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → How long did it take you to lose weight on the Plant Paradox': how to talk to your doctor about this Why has no doctor explained this to me if you're on a GLP-1 like semaglutide or tirzepatide Cheat / treat days or meals — what most people get wrong about this Has anyone stopped HRT and then restarted it — what most people get wrong about this Can we stop posting good glucose levels and pretending they are bad for those with hypothyroidism or Hashimoto's Oval twice a week patch - what was I using — what most people get wrong about this 📖 Satiety Signal — The biological 'off switch' for hunger that our protocol restores by healing the gut and balancing blood sugar levels. Rage - too much progesterone or too little eostrogen when you have PCOS or hormonal imbalances Does it just seem like normal teenage hormones or should I consider testing for pcos etc? Can i lose weight without overcomplicating it? Best recipe book during the weight loss plateau phase 📖 Non-Scale Victories (NSV) — Improvements in energy, sleep, and disease reversal that matter just as much as the numbers on the scale during your tra… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → PCOS linked to childhood trauma for those with hypothyroidism or Hashimoto's Has anyone here been diagnosed with endometriosis later in life — what does the research actually say? Anyone with a variant of uncertain significance on HRT — what most people get wrong about this Insomnia while taking oral minoxidril: best practices and common mistakes to avoid Opened monjuaro pen is it safe to use — evidence-based answer for CFP patients Flexibility in the meal plan for people with insulin resistance