Expert Q&A

Anyone with insulin resistance get worse cravings on intermittent fasting — what do certified weight loss coaches recommend?

Understanding Insulin Resistance and Intermittent Fasting Challenges

As someone who has guided thousands through sustainable weight loss, I see this pattern often: people with insulin resistance report intensified cravings when starting intermittent fasting. This happens because insulin resistance impairs your body's ability to efficiently use glucose, leading to blood sugar fluctuations that trigger hunger hormones like ghrelin. In my book, *The CFP Weight Loss Method*, I explain how years of processed carbs and sedentary habits create this cycle, making standard 16/8 fasting feel unsustainable—especially for those aged 45-54 dealing with hormonal shifts.

Joint pain and busy schedules compound the issue, as many fear exercise will worsen discomfort or that complex plans will fail like past diets. The good news? Certified coaches adjust fasting protocols to work with, not against, your physiology.

Why Cravings Intensify and How to Stabilize Blood Sugar

With insulin resistance, skipping meals can cause reactive hypoglycemia, spiking cravings for quick carbs. Hormonal changes in perimenopause or andropause further disrupt leptin and cortisol, amplifying the problem. Coaches recommend starting with a gentler 12/12 fasting window rather than jumping to 18/6. Focus first on meal composition: prioritize 25-30 grams of protein per meal, healthy fats like avocado or olive oil, and fiber-rich vegetables to slow glucose absorption.

Incorporate low-impact movement, such as 20-minute daily walks, which improve insulin sensitivity without straining joints. Track your fasting glucose if managing diabetes—aim to keep levels between 80-110 mg/dL. This approach addresses the embarrassment many feel about obesity by building small, private wins at home.

Certified Coach Strategies from the CFP Method

From my experience certifying coaches, the most effective recommendations include adding a 10-15 minute "pre-fast" buffer with a small, balanced snack like Greek yogurt with berries if cravings hit hard. Use electrolytes—sodium, potassium, magnesium—to prevent the fatigue that worsens hunger signals. In *The CFP Weight Loss Method*, I detail a 4-week ramp-up protocol: Week 1 focuses on consistent meal timing, Week 2 introduces time-restricted eating, and subsequent weeks layer in stress reduction techniques like 5-minute breathing exercises.

For blood pressure and diabetes management, pair this with portion awareness rather than calorie counting. Many clients lose 1-2 pounds weekly without feeling deprived. Avoid the overwhelm of conflicting advice by sticking to one evidence-based framework that fits middle-income budgets—no expensive programs needed.

Building Long-Term Success Without Another Diet Failure

The key is personalization. If standard intermittent fasting exacerbates cravings, coaches often suggest "feast-famine cycling"—alternating 14-hour fasts with occasional higher-carb refeed days from whole foods. This retrains your metabolism, reduces joint inflammation through better glucose control, and fits real schedules without meal prepping for hours. Thousands have reversed their insulin resistance markers using these steps, proving it's not another failed diet but a sustainable lifestyle shift.

Start today with one change: end your eating window by 7 PM and note your cravings. Over time, this builds confidence to tackle obesity without shame. The CFP approach ensures you address root causes like hormonal imbalances while keeping it simple and effective.

💬 What the Community Says

The community shows a clear divide on intermittent fasting with insulin resistance. Many in their late 40s and early 50s report that 16/8 fasting dramatically increased sugar and carb cravings, especially those already managing prediabetes or high blood pressure. A common theme is frustration after past diet failures, with joint pain making additional exercise feel impossible. Others share success stories after shortening the fasting window to 12-14 hours and emphasizing protein-first meals, noting reduced hunger within two weeks. There's ongoing debate about whether electrolytes truly help or if the method simply doesn't suit everyone with hormonal changes. Beginners often feel embarrassed asking for adjustments but appreciate forums where people discuss affordable, no-gym approaches that fit busy lives. Overall, lived experiences suggest personalization is essential, with a vocal group preferring gentler time-restricted eating over strict protocols.
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-do-certified-weight-loss-coaches-recommend
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
▸ Can chicken and beef tallow replace beef — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? ▸ What causes I reduced my IR from 15.5 to 4 in 3 months and its effect on metabolism and insulin levels? ▸ 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? ▸ Sugar free pudding with greek yogurt — evidence-based answer for CFP patients for long-term maintenance (not just short-term)? ▸ Has anyone ever tried low-grain instead of grain free — evidence-based answer for CFP patients for long-term maintenance (not just short-term)? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better specifically for women over 40? 📖 Rebound Weight Gain — The common 'yo-yo' effect caused by high-dose, continuous GLP-1 use; we prevent this through strategic cycling and metab… ▸ Who still goes to steeplechase — what do certified weight loss coaches recommend for long-term maintenance (not just short-term)? ▸ How to calm my nerves down at doctors — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? ▸ When the fatigue is real: how to talk to your doctor about this for people with insulin resistance? 📖 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… ▸ 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. 📗 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 you have hypothyroidism but you don't want to give up trying to live a normal life. 🥲 when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? ▸ Sugar free 2020, who's with me — what most people get wrong about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Is it okay for teenagers to do longterm lowcarb/keto — evidence-based answer for CFP patients for those with hypothyroidism or Hashimoto’s? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients while doing intermittent fasting? 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… ▸ 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 — what the research actually says? ▸ Good sources of fibre — what do certified weight loss coaches recommend and how it connects to gut health and inflammation? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress for those with hypothyroidism or Hashimoto’s? 📖 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… 📗 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 ▸ 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? ▸ 42yom Im finding it much harder to lose weight, what are some things I can do now to start losing weight? ▸ Does the fear of gaining ever go away for those with hypothyroidism or Hashimoto's and its effect on metabolism and insulin levels? ▸ Best Curcumin Supplements: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Were any of you guys fans of Journey? How big were they when you have PCOS or hormonal imbalances? ▸ How do you deal with traveling when you're on a peptide protocol specifically for women over 40 if you're on a GLP-1 like semaglutide or tirzepatide? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients: what to track and how to measure progress? ▸ Sterilized soybean sprout — how a functional medicine approach differs: 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 ▸ 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? ▸ Good calorie amount? Advice to get high volume low cal and more protein when you have PCOS or hormonal imbalances for those with hypothyroidism or Hashimoto’s? ▸ 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? 📖 Strategic Fat Loading — A critical 48-hour phase at the start of the reset where we prime the body with healthy fats to trigger the transition f… ▸ Has anyone here made their own custom CGM patches with a Cricut for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) — what the research actually says? ▸ How many were first diagnosed with OCD if you're on a GLP-1 like semaglutide or tirzepatide on a low-carb or ketogenic diet? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances while doing intermittent fasting? ▸ 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? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… 📗 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: what to track and how to measure progress? ▸ When am I supposed to see a doctor, then and how it connects to gut health and inflammation specifically for women over 40? ▸ 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? 📖 Hashimoto’s Success — Achieving weight loss and reduced inflammation in thyroid patients by removing dietary triggers like lectins and modern … ▸ 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 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? ▸ 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? 📖 Inflammatory Markers — Clinical indicators like CRP that we monitor to ensure the body is moving from a state of disease to a state of vibrant … ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ Is tomato paste lectin free during the weight loss plateau phase 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 ▸ Compression socks. Worth it? Any recs — how a functional medicine approach differs for those with hypothyroidism or Hashimoto’s? 📖 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… ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation on a low-carb or ketogenic diet? ▸ 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 and its effect on metabolism and insulin levels? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet for long-term maintenance (not just short-term)? ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide for those with hypothyroidism or Hashimoto’s? ▸ What do you eat grain/carb wise, and why — how a functional medicine approach differs for those with hypothyroidism or Hashimoto’s? 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… ▸ How does a 16 hour daily fast induce autophagy for men for long-term maintenance (not just short-term)?