Expert Q&A

What’s with the non-low carb posts this week while doing intermittent fasting

Why Intermittent Fasting Isn't Synonymous with Keto

I’ve noticed the questions surrounding our recent focus on incorporating carbohydrates while practicing intermittent fasting. For many of you in the 45-54 age bracket who have 'failed' every diet in the past, the idea of eating a potato or a bowl of oats while trying to lose weight feels like a trap. However, at CFP Weight Loss, our methodology focuses on long-term sustainability rather than restrictive cycles that lead to burnout. While low-carb diets are effective, they are not the only way to trigger the benefits of a fasting window.

The primary goal of intermittent fasting is to improve Insulin Sensitivity. When you restrict your eating to a specific window, you give your pancreas a break and allow insulin levels to drop. While high-sugar foods can spike insulin aggressively, integrating Complex Carbohydrates—such as legumes, berries, and ancient grains—during your feeding window provides the glucose your brain needs without the metabolic crash. For those managing diabetes or high blood pressure, this balanced approach prevents the dangerous 'all-or-nothing' mindset that often leads to abandonment of the program.

Building Metabolic Flexibility

One of the core pillars of my book, The CFP Method, is the concept of Metabolic Flexibility. This is your body’s ability to efficiently switch between burning fat for fuel and burning glucose. If you remain in a state of chronic carbohydrate deprivation, your body can actually become less efficient at processing glucose when you eventually (and inevitably) consume it. By strategically including non-low carb options, we are training your metabolism to handle variety. This is especially crucial for our members dealing with hormonal shifts; strict keto can sometimes elevate cortisol levels, which is the last thing you want when trying to lose midlife weight.

Managing Satiety and Joint Health

Many of you have shared that joint pain makes traditional exercise feel impossible. When you aren't moving as much, your nutrition has to do the heavy lifting. We focus on the Glycemic Load of your meals rather than just the carb count. Foods with a low glycemic load provide steady energy and help maintain muscle mass, which is vital as we age. Furthermore, the fiber found in these 'non-low carb' whole foods supports a healthy gut microbiome, which is directly linked to reduced systemic inflammation and less joint pain.

Our goal is to move you away from the 'diet' mentality and toward a lifestyle that doesn't require you to skip every social dinner or feel embarrassed about your plate. You can achieve profound weight loss results through fasting without fearing a piece of fruit or a serving of beans.

💬 What the Community Says

The community is currently experiencing a lively debate regarding the intersection of intermittent fasting and carbohydrate intake. A vocal segment of long-time practitioners remains loyal to the 'Fast-Keto' pairing, arguing that any significant carb intake negates the fat-burning state of ketosis. However, a growing majority of members—particularly those in the 45+ age demographic—express a sense of relief at the inclusion of complex carbs. These users often cite 'keto burnout' and the difficulty of maintaining a zero-carb lifestyle while managing family meals or high-stress jobs. There is a specific sub-thread of conversation among members with joint pain who have found that a moderate-carb, anti-inflammatory approach is more sustainable than strict carnivore or keto diets. While the 'purists' continue to push for carb restriction, the general sentiment is shifting toward a more flexible, 'middle-path' approach that prioritizes long-term adherence over rapid, short-term drops on the scale.
Clark, R. (2026). What’s with the non-low carb posts this week while doing intermittent fasting. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/what-s-with-the-non-low-carb-posts-this-week-while-doing-intermittent
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
What tissues show the biggest metabolic remodeling in z2: best practices and common mistakes to avoid Cool, happy energy after upping estrogen patch — how a functional medicine approach differs Had my hashi’s annihilated thyroid removed today — how a functional medicine approach differs What are everyone’s symptoms with insulin resistance while doing intermittent fasting Safest type of fiber while doing intermittent fasting Why has no doctor explained this to me for people with insulin resistance 📖 Insulin Resistance — A condition where your cells stop responding to insulin, locking fat in storage; our protocol is designed to unlock thes… Am I better off increasing my frequency of sessions per week, or my duration of each session and the role of cortisol and stress hormones Opened monjuaro pen is it safe to use — how a functional medicine approach differs Magic Spoon Cereal Lectin Free and the role of cortisol and stress hormones 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Insulin resistance caused my weight gain despite eating low calorie diet, anyone else and the role of cortisol and stress hormones Starting my second extended fast tomorrow. Hoping for 12 days or maybe do another 42 while doing intermittent fasting 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… What is the Role of Metabolism in Immune System — how a functional medicine approach differs Post menopausal bleeding — how a functional medicine approach differs Insulin Resistance foods for poor people — evidence-based answer for CFP patients 📖 Muscle Sarcopenia — The dangerous loss of lean muscle mass often seen in traditional 'crash diets' or high-dose GLP-1 use, which we combat t… Have to stop for 3 weeks for surgery and its effect on metabolism and insulin levels Anyone have experience switching from compound injection to pill and its effect on metabolism and insulin levels How I'm greeted most mornings — evidence-based answer for CFP patients 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Has anyone switched from brand name Premarin to the new recently released generic conjugated estrogens and feels like it is not working as well for people with insulin resistance What would be the cause of insulin resistance on a low-carb or ketogenic diet App that can predict symptoms before they get bad while doing intermittent fasting Is it normal to gain 3 lbs back after a sudden 6 lb weight loss? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… Has anyone tried this lectin free lifestyle living with PCOS — how a functional medicine approach differs Has anyone switched from wegovy to mounjaro and how it connects to gut health and inflammation Eyelid myokymia/twitching caused by oral progesterone while doing intermittent fasting 📖 Leptin Sensitivity — Restoring your brain's ability to hear the 'I am full' signal, which is often muted by high-sugar diets and systemic inf… Rheumatoid Arthritis results if you're on a GLP-1 like semaglutide or tirzepatide How I reversed insulin resistance in 6–8 months and its effect on metabolism and insulin levels 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Does anyone else love masks mandated so I can hide my facial hair while doing intermittent fasting What has autophagy cured/made better in you: how to talk to your doctor about this 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… PCOS linked to childhood trauma — how a functional medicine approach differs How it goes trying to dose insulin every day while doing intermittent fasting Upped dosage + changing patch day — evidence-based answer for CFP patients Can we talk about the founder and the role of cortisol and stress hormones 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… Has Gundry ever explained why he thinks APOE4 carriers love cheese so much while doing intermittent fasting Does Autophagy eat fat cells while doing intermittent fasting Would doing this 2-3x a week help increase my Vo2 max — how a functional medicine approach differs 📖 Tirzepatide — A dual-acting medication targeting both GLP-1 and GIP receptors, providing a more comprehensive metabolic signal than si… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Anyone Here Successfully Reversed Insulin Resistance? What Actually Worked and the role of cortisol and stress hormones Did exercise ever get rid of fatigue from insulin resistance while doing intermittent fasting I'hv just stumbled upon autophagy and felt some hope for my situation. Is it really good for loose skin ? What can I do on a low-carb or ketogenic diet Has anyone been diagnosed with Hashimotos after going through emotional distress or chronic stress in general and the role of cortisol and stress hormones How many of you with PCOS had a narcissistic parent growing up while doing intermittent fasting Is tomato paste lectin free — what do certified weight loss coaches recommend? 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… What keto plus compounded tirzepatide for the last five months looked like and how it connects to gut health and inflammation Flexibility in the meal plan and its effect on metabolism and insulin levels Do I need a dose change and the role of cortisol and stress hormones 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… Anyone have recipes or grocery lists — how a functional medicine approach differs 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → When feeling down, remember that PCOS is what helped our ancestors survive and the role of cortisol and stress hormones Has anyone here been diagnosed with endometriosis later in life while doing intermittent fasting Anyone worried about the FDA crackdown and its effect on metabolism and insulin levels Resting heart rate unchanged after 2 years of consistent running — how a functional medicine approach differs Do you avoid socialising or seeing family because of how tired you are and how much effort it is to be in company while doing intermittent fasting