Expert Q&A

Still not happy after doctors while doing intermittent fasting

Understanding Why Intermittent Fasting Feels Disappointing

Many in their late 40s and early 50s turn to intermittent fasting hoping for quick wins against stubborn weight, only to feel frustrated when results stall. I've seen this pattern repeatedly in my practice and my book, The Metabolic Reset Protocol. The issue often isn't the fasting window itself but underlying factors like hormonal changes during perimenopause or andropause that slow metabolism by up to 15%.

Your body may be holding onto fat due to elevated cortisol from stress or poor sleep. Doctors may clear you medically, yet fail to address how insulin resistance—common with diabetes and high blood pressure—blunts fasting benefits. If you've failed every diet before, this isn't another broken promise; it's a signal to personalize your approach.

Key Adjustments for Better Fasting Outcomes

Start by auditing your eating window. A 16:8 schedule works for some, but midlife hormonal shifts often need a gentler 14:10 to prevent metabolic slowdown. Focus on nutrient-dense meals breaking your fast: 30 grams of protein from eggs, Greek yogurt, or lean meats stabilizes blood sugar and preserves muscle, which burns 6-10 extra calories per pound daily.

Incorporate anti-inflammatory foods like fatty fish, berries, and leafy greens to combat joint pain that makes movement feel impossible. My methodology emphasizes "movement snacks"—5-10 minute walks after meals that lower glucose spikes by 25% without straining joints. Track fasting blood sugar if managing diabetes; levels above 100 mg/dL signal the need for medical tweaks alongside your plan.

Overcoming Plateaus and Building Sustainable Habits

Plateaus hit when your body adapts, often after 4-6 weeks. Cycle your fasting days—alternate stricter windows with higher-calorie refeed days rich in complex carbs from sweet potatoes or quinoa. This prevents leptin drop, the hormone that signals fullness and can fall 20-30% during prolonged restriction.

Address embarrassment around obesity by starting private. No complex meal plans needed: prep simple batches like overnight oats with chia seeds for fiber that improves gut health and satiety. Insurance rarely covers programs, so low-cost tracking via a basic app helps monitor progress beyond the scale—measure waist circumference weekly as it predicts health risks better than weight alone.

Integrating Mindset and Long-Term Success

True happiness comes from non-scale victories. In The Metabolic Reset Protocol, I stress rebuilding confidence through small wins like stable energy or better blood pressure readings. Consult your doctor before major changes, especially with medications. With consistency, most see renewed motivation within 2-4 weeks of these tweaks, turning intermittent fasting into a lifelong tool rather than another failed attempt.

💬 What the Community Says

The community shows mixed experiences with intermittent fasting after medical consultations. Many in the 45-54 age group report initial 5-10 pound losses that plateau quickly, especially those dealing with hormonal shifts or joint issues that limit activity. A common theme is frustration with doctors who approve fasting but offer little guidance on personalization, leading to feelings of defeat after past diet failures. Beginners often debate ideal windows—16:8 versus 14:10—with some finding success adding protein-focused meals while others struggle with blood sugar swings tied to diabetes management. Insurance barriers and time constraints fuel skepticism, yet a vocal group shares encouragement around tracking non-scale wins like energy levels. Lived experiences highlight the need for sustainable tweaks over rigid plans, with users warning against ignoring sleep or stress as hidden saboteurs. Overall sentiment leans cautiously optimistic for those who adapt rather than quit.
Clark, R. (2026). Still not happy after doctors while doing intermittent fasting. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/still-not-happy-after-doctors-while-doing-intermittent
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
▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say and its effect on metabolism and insulin levels? ▸ Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress while doing intermittent fasting? ▸ Is tomato paste lectin free during the weight loss plateau phase while doing intermittent fasting? ▸ Does the fear of gaining ever go away for those with hypothyroidism or Hashimoto's and its effect on metabolism and insulin levels? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress and how it connects to gut health and inflammation? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) — what the research actually says? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? 📖 Insulin Resistance — A condition where your cells stop responding to insulin, locking fat in storage; our protocol is designed to unlock thes… ▸ 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? 📗 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? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ Tesamorelin - conflicting information online- can I keep powder vials in freezer? Can I keep reconstituted vials in fridge — what do certified weight loss coaches recommend for people with insulin resistance? ▸ What’s your favorite toothpaste for people with insulin resistance — what the research actually says? ▸ 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? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… ▸ 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? ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs during the weight loss plateau phase? ▸ 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? ▸ 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? 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… ▸ 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? 📗 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? ▸ Can chicken and beef tallow replace beef — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs specifically for women over 40? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients: what to track and how to measure progress? ▸ 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? 📖 Phase 2: Aggressive Loss — A 40-day window of focused fat loss supported by low-dose medication and a specific lectin-free, low-carb nutritional fr… ▸ Intolerant to sugar - SIBO or something else if you're on a GLP-1 like semaglutide or tirzepatide when you have PCOS or hormonal imbalances? ▸ Weight loss without GLP-1 — what does the research actually say while doing intermittent fasting? ▸ What's the dumbest thing you and/or your siblings did when you were left home alone for those with hypothyroidism or Hashimoto's 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 ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better on a low-carb or ketogenic diet? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients while doing intermittent fasting? ▸ 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? ▸ 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? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … ▸ 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? ▸ I sometimes feel like people only talk about the obvious symptoms like irregular periods or weight gain, but the fatigue can be just as overwhelming. Has anyone else felt completely drained even: how to talk to your doctor about this: best practices and common mistakes to avoid? ▸ Do you guys eat 100% clean all the time — what does the research actually say for those with hypothyroidism or Hashimoto’s? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients specifically for women over 40? ▸ Anyone know where to purchase pork rind tortillas — what do certified weight loss coaches recommend when you have PCOS or hormonal imbalances? ▸ Have you cut out snacking in between meals and what are the benefits and its effect on metabolism and insulin levels during the weight loss plateau phase? 📗 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 ▸ 42yom Im finding it much harder to lose weight, what are some things I can do now to start losing weight? 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… ▸ 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? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ When do you know to go to the hospital specifically for women over 40? ▸ 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? ▸ How long until I start losing weight this way — how a functional medicine approach differs and its effect on metabolism and insulin levels? ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Amylopectin A — The specific starch found in modern wheat that causes rapid, dangerous spikes in blood glucose and promotes belly fat st… ▸ 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? 📗 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 ▸ 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? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet 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 — what certified coaches recommend? ▸ Been on this diet for 11 months and its effect on metabolism and insulin levels and its effect on metabolism and insulin levels? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… ▸ 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?