Expert Q&A

Anyone with insulin resistance get worse cravings on intermittent fasting — what most people get wrong about this

Why Insulin Resistance Amplifies Cravings During Intermittent Fasting

If you have insulin resistance, you may notice intensified cravings when starting intermittent fasting. This isn't failure—it's your body's protective response. With insulin resistance, cells don't respond efficiently to insulin, causing blood sugar swings. When you fast, your body attempts to access stored energy, but impaired signaling leads to stronger hunger hormones like ghrelin. Most people wrongly assume fasting works the same for everyone, ignoring how years of processed carbs and stress have altered metabolic pathways.

In my approach detailed in The CFP Method, we address this root cause first. For those aged 45-54 dealing with hormonal shifts, joint pain, and diabetes management, standard 16/8 fasting often backfires without preparation. Your middle-income reality means we focus on practical changes—no expensive programs or complex schedules your insurance won't cover.

The Biggest Mistakes People Make with Insulin Resistance and Fasting

Most beginners jump into extended fasts without stabilizing blood sugar first. This triggers cortisol spikes, worsening cravings and making joint pain feel unbearable. Another error is ignoring electrolyte balance—sodium, potassium, and magnesium drop during fasting, intensifying hunger signals mistaken for cravings.

Many also overlook how previous diet failures have damaged metabolic flexibility. If you've failed every diet, your body anticipates restriction by ramping up fat-storage hormones. Conflicting nutrition advice online compounds this, leading to embarrassment about asking for real help with obesity and blood pressure.

Proven Strategies That Work for Hormonal Changes and Cravings

Start with a gentler 12/12 fasting window while focusing on low-glycemic meals. Include protein (25-30g per meal) and healthy fats to blunt insulin spikes. In The CFP Method, we emphasize a 3-phase progression: stabilize, adapt, then extend. Add 15-minute gentle walks despite joint pain—these improve insulin sensitivity by 20-30% within weeks without gym intimidation.

Track your fasting glucose with an affordable meter; aim to lower fasting levels below 100 mg/dL before lengthening windows. Supplement wisely with chromium picolinate (200-400mcg) and berberine (500mg) to support insulin function. Hydrate with bone broth or electrolyte drinks during eating windows to curb false hunger. For diabetes and blood pressure, consult your doctor, but these steps often improve markers naturally.

Building Long-Term Success Without Overwhelm

Consistency beats perfection. Eat whole foods within your window: eggs, leafy greens, nuts, and fatty fish. Avoid the trap of breaking fasts with carbs that restart the craving cycle. Many in your situation see 5-8 pounds lost in the first month once cravings stabilize. Remember, hormonal changes in perimenopause or andropause make weight loss harder, but addressing insulin resistance directly changes the game.

Start small today—no more overwhelming meal plans. Focus on one change: add a protein-rich breakfast and delay your first meal by one hour. This builds the metabolic flexibility needed for sustainable results.

💬 What the Community Says

The community shows a clear split on intermittent fasting with insulin resistance. Many in the 45-54 age group report intense sugar and carb cravings during the first two weeks of 16/8 protocols, often leading to frustration and abandoned attempts. Most practitioners find that easing in with shorter fasts and prioritizing protein reduces symptoms significantly. A vocal minority shares success stories after adding electrolytes and berberine, noting improved energy and better blood sugar readings. However, those managing diabetes or joint pain frequently describe fasting as initially making symptoms worse before any benefits appear. Beginners commonly express feeling overwhelmed by conflicting online advice, with several mentioning past diet failures that make them hesitant to trust new approaches. Lived experiences highlight that patience and gradual adaptation seem to be the key differentiators between those who quit and those who eventually stabilize.
Cite this answer
Clark, R. (2026). Anyone with insulin resistance get worse cravings on intermittent fasting — what. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/anyone-with-insulin-resistance-get-worse-cravings-on-intermittent-fasting-what-most-people-get-wrong-about-this
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.

📖 The 30-Week Tirzepatide Reset — Get the Book →
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
▸ Does okra water actually help gut issues: what to track and how to measure progress — what certified coaches recommend? ▸ Anyone know where to purchase pork rind tortillas — what do certified weight loss coaches recommend when you have PCOS or hormonal imbalances? ▸ Were any of you guys fans of Journey? How big were they — what the research actually says? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? 📖 Hormonal Chaos — The internal state of imbalance caused by modern grains and refined carbs that overrides willpower and forces the body t… ▸ Why cant i lose weight and am gaining weight when you have PCOS or hormonal imbalances for those with hypothyroidism or Hashimoto’s? ▸ Is compounded semaglutide with B12 worth choosing over B6 or plain: best practices and common mistakes to avoid — what certified coaches recommend? ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide for long-term maintenance (not just short-term)? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this: best practices and common mistakes to avoid? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say for those with hypothyroidism or Hashimoto’s? 📗 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 ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients: what to track and how to measure progress? 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… ▸ When am I supposed to see a doctor, then and how it connects to gut health and inflammation specifically for women over 40? ▸ 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? ▸ How are people using 10mg reta vials at low doses during the weight loss plateau phase — what the research actually says? ▸ Making me super tired and in a dreamy, chill, ready for a nap state for most of the day and its effect on metabolism and insulin levels for long-term maintenance (not just short-term)? ▸ Is anyone else worried about judgment from others for those with hypothyroidism or Hashimoto's if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… ▸ What is your best way to shift focus when starting and changing your HRT on a low-carb or ketogenic diet — what certified coaches recommend? ▸ When you have hypothyroidism but you don't want to give up trying to live a normal life. 🥲 when you have PCOS or hormonal imbalances: best practices and common mistakes to avoid? ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide — what certified coaches recommend? 📖 Cellular Detox — The process of clearing out metabolic waste and reducing cellular stress to allow for more efficient energy production a… ▸ What are your thoughts on just removing wheat and grains, but not rice, corn or oats? Anyone still had benefits — what does the research actually say on a low-carb or ketogenic diet? 📗 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 ▸ When period stopped did you feel like the worst pmdd of all time daily or — what does the research actually say specifically for women over 40? ▸ Will eating meintenance calories make me lose weight for those with hypothyroidism or Hashimoto's when you have PCOS or hormonal imbalances? ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 if you're on a GLP-1 like semaglutide or tirzepatide? ▸ 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: what to track and how to measure progress? ▸ 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? 📖 CICO (Calories In, Calories Out) — An outdated model of weight loss that ignores the role of hormones; we challenge this by focusing on food quality and ho… ▸ 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? ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Crust check 🔥 ribeye done right — what the research actually says? ▸ 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. 📖 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… ▸ 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? 📗 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 ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones on a low-carb or ketogenic diet? ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs while doing intermittent fasting? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ What’s your favorite toothpaste for people with insulin resistance for long-term maintenance (not just short-term)? 📖 GIP (Gastric Inhibitory Polypeptide) — A hormone that, when combined with GLP-1, enhances the body’s ability to break down fat and manage blood sugar levels mo… ▸ What happens when Has anyone here experienced skin benefits from autophagy for those with hypothyroidism or Hashimoto’s? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet when you have PCOS or hormonal imbalances? ▸ How does chasing skinny ever get old for long-term results while doing intermittent fasting? ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Is compounded semaglutide with B12 worth choosing over B6 or plain: best practices and common mistakes to avoid specifically for women over 40? ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide: best practices and common mistakes to avoid? 📗 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 ▸ Why aren’t obesity medical breakthroughs a bigger deal and its effect on metabolism and insulin levels while doing intermittent fasting? 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… ▸ 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? ▸ 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? ▸ 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? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better specifically for women over 40? 📖 One Box Protocol — A revolutionary approach where we stretch one 60 mg box of tirzepatide across three metabolic phases, prioritizing long-… ▸ What is the connection between Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better and its effect on metabolism and insulin levels? ▸ Were any of you guys fans of Journey? How big were they when you have PCOS or hormonal imbalances? ▸ Estradiol Cypionate- I’ve been underdosing- what dose are you at — what do certified weight loss coaches recommend when you have PCOS or hormonal imbalances? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet — what certified coaches recommend? ▸ Do you think they read the responses they receive: how to talk to your doctor about this 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 ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones on a low-carb or ketogenic diet?