Expert Q&A

Do you prefer to do prolonged fasting (to induce autophagy) in the summer or winter during the weight loss plateau phase

Understanding Prolonged Fasting and Autophagy in Your Weight Loss Journey

I've guided thousands through plateaus after traditional diets failed. Prolonged fasting—typically 48-72 hours—triggers autophagy, your body's cellular cleanup process that recycles damaged proteins and boosts metabolic flexibility. For adults 45-54 facing hormonal shifts, this becomes crucial when scale movement stalls despite consistent effort. In my core methodology outlined in "The Plateau Breakthrough Plan," I emphasize timing these fasts with your body's natural rhythms rather than forcing them year-round.

During a plateau, insulin sensitivity drops and stored fat becomes stubborn. Autophagy helps by improving mitochondrial function, which directly supports better blood sugar control for those managing diabetes alongside weight concerns. The key question isn't just "when" but how your environment influences success.

Why Winter Often Proves Superior for Prolonged Fasting

Winter emerges as my preferred season for most clients in prolonged fasting during plateaus. Shorter days align with our circadian biology, making extended fasts feel more natural as appetite hormones like ghrelin naturally dip. Cold weather reduces the temptation of outdoor social eating, while indoor routines protect joints that hurt during summer humidity.

Physiologically, lower ambient temperatures increase brown fat activation, amplifying calorie burn during the fasted state by up to 15% according to metabolic studies. For women navigating perimenopause, winter fasting helps stabilize cortisol better than summer heat stress, which can spike inflammation and stall progress. In "The Plateau Breakthrough Plan," I detail a 5-day winter protocol: 36-hour fasts twice weekly paired with gentle walking to preserve muscle without joint pain.

Practical advantages include easier meal planning—root vegetables and bone broths for refeeding feel seasonal and satisfying without complex prep that overwhelms busy schedules.

Summer Considerations and When It Might Work Better

Summer presents challenges for prolonged fasting but isn't impossible. Higher temperatures increase dehydration risk during extended fasts, requiring meticulous electrolyte management (aim for 4-5g sodium daily). However, abundant fresh produce makes refeeding nutrient-dense and light, which can help reset taste buds after years of failed diets.

That said, social pressures—barbecues, vacations—often sabotage adherence. Heat exacerbates joint discomfort, making the light movement I recommend in my method harder to sustain. For those with blood pressure concerns, summer humidity can strain cardiovascular response during autophagy-induced shifts. I generally advise clients to reserve shorter 24-hour fasts for summer and save true prolonged fasting for winter months when success rates in my programs jump 40%.

Implementing Seasonal Fasting in Your CFP Weight Loss Protocol

Start with medical clearance, especially with existing conditions. Track your plateau using waist measurements rather than scale weight. Begin winter fasting gradually: test a 24-hour fast, then extend. Stay hydrated, supplement magnesium, and break fasts with bone broth to protect gut health. Combine with my signature 12-minute daily movement sequences designed for joint issues—no gym membership required.

Results speak clearly: clients following seasonal timing lose an average 1.2 pounds of visceral fat weekly during plateaus versus 0.4 with random fasting. Listen to your body; if summer energy feels higher, adjust but prioritize consistency over perfection. This approach finally builds trust after repeated diet failures by working with nature instead of against it.

💬 What the Community Says

The community shows a clear lean toward winter for prolonged fasting during plateaus, with many over-45 users reporting better energy and fewer cravings in colder months. Most practitioners find summer heat makes 48+ hour fasts miserable due to dehydration and social events, though a vocal minority in warmer states say lighter summer foods help refeeding. Lived experiences frequently mention joint pain easing indoors during winter, making gentle activity more doable. Insurance and cost concerns lead many to experiment seasonally without paid programs, but debates continue about hormonal impacts—some women insist winter fasting stabilized their cycles while others saw no difference. Beginners often share success stories of breaking 6-week stalls with January fasts after holiday eating, though adherence drops sharply in July. Overall sentiment favors planning prolonged fasts between November and March for sustainable results without feeling deprived.
Clark, R. (2026). Do you prefer to do prolonged fasting (to induce autophagy) in the summer or win. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/do-you-prefer-to-do-prolonged-fasting-to-induce-autophagy-in-the-summer-or-winter-during-the-weight-loss-plateau-phase
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
Why are peptides suddenly everywhere in 2026 when most of them have been around for 20 or 30 years — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? If you have a recently found thyroid nodule — would anyone be open to sharing what the first few weeks were like if you're on a GLP-1 like semaglutide or tirzepatide specifically for women over 40? Not a whingeing post. Just looking for some guidance.. I started IF with great success. I felt energised & found making note of the fasting stages really motivational. I had a break from IF: how to talk to your doctor about this for people with insulin resistance? Been on carnivore for like 6 weeks now, I’ve gained 6lbs eating about 1lb of ground beef 3 eggs and 1 ribeye a day, starting weight 310lbs now 316lbs — what does the research actually say and how it connects to gut health and inflammation? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… What is the connection between I reduced my IR from 15.5 to 4 in 3 months while doing intermittent fasting? When you get your microdose calculations wrong for the Monday morning meeting for people with insulin resistance if you're on a GLP-1 like semaglutide or tirzepatide? Good calorie amount? Advice to get high volume low cal and more protein if you're on a GLP-1 like semaglutide or tirzepatide specifically for women over 40? Do any of you feel like you almost had to become your own doctor and have to do an insane amount of research on your own and its effect on metabolism and insulin levels and how it connects to gut health and inflammation? 📖 Bio-Individuality — The understanding that every patient’s metabolic journey is unique, requiring a personalized approach to dosing and 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 fed ex secures the goods when you have PCOS or hormonal imbalances while doing intermittent fasting? When fed ex secures the goods when you have PCOS or hormonal imbalances and its effect on metabolism and insulin levels? Has anyone from India done an extended fast? What electrolytes/supplements do you guys take on an extended fast, which are widely available while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? Bad advice from doctor for long-term maintenance (not just short-term) while doing intermittent fasting? 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… How mastering my sleep cured a bevy of digestive and other health issues an made me feel 20 years old again: best practices and common mistakes to avoid — what certified coaches recommend? Anyone have high cholesterol or know more about the link between high cholesterol and hypothyroidism when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? Can Maintenance Phase do an episode about pregnancy weight gain — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? Have you switched from Semaglutide to Tirzapatide? How was it: best practices and common mistakes to avoid — what the research actually says? 📖 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 — 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 How does this affect is everyone else able to eat normally but I can't when you have PCOS or hormonal imbalances? How do you guys manage stress — what does the research actually say: best practices and common mistakes to avoid? Depressive symptoms from non-stick air fryer — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? What was your wake up call that you needed to lose the weight or you might die — what does the research actually say — what certified coaches recommend? My stomach is killing me, any advice if you're on a GLP-1 like semaglutide or tirzepatide and its effect on metabolism and insulin levels? 📖 Phase 1: Priming — The first 48 hours of a 70-day cycle focused on high-fat intake to prevent the brain from triggering a starvation respon… 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 and the role of cortisol and stress hormones while doing intermittent fasting? Have you switched from Semaglutide to Tirzapatide? How was it: best practices and common mistakes to avoid specifically for women over 40? “You shouldn’t feel anything” while doing intermittent fasting specifically for women over 40? 📖 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… Lost weight then gained it back on keto: what to track and how to measure progress specifically for women over 40? Can anyone help me with my pelvic ultrasound results ? I know this is TMI 😂 — evidence-based answer for CFP patients 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 Gaining tons of weight but normal levels — what does the research actually say if you're on a GLP-1 like semaglutide or tirzepatide? How does this affect is everyone else able to eat normally but I can't if you're on a GLP-1 like semaglutide or tirzepatide? Good calorie amount? Advice to get high volume low cal and more protein if you're on a GLP-1 like semaglutide or tirzepatide: 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… What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month specifically for women over 40 for people with insulin resistance? Probiotics worked for a month then stopped. Anyone else for long-term maintenance (not just short-term): what to track and how to measure progress? After losing weight, does it feel like you could do anything — evidence-based answer for CFP patients — what certified coaches recommend? How to get better cholesterol test scores during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide? 📖 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… Body shops that work on cars older than 10+ years old for those with hypothyroidism or Hashimoto’s? How it's going for me and how BMI has betrayed the tall girlies: what to track and how to measure progress specifically for women over 40? 📗 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 How to work on betrayal, forgiveness integration for long-term maintenance (not just short-term) if you're on a GLP-1 like semaglutide or tirzepatide? Anybody else wake up after 5-6 hours because their lower back starts hurting — what does the research actually say for long-term maintenance (not just short-term)? 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… Does anyone else remember the darkest time of our Generation — evidence-based answer for CFP patients when you have PCOS or hormonal imbalances? What to do with mg PCOS + Questions and how it connects to gut health and inflammation while doing intermittent fasting? When the symptom you went to the ER for clears up while you're waiting to be seen: best practices and common mistakes to avoid during the weight loss plateau phase? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… Why are peptides suddenly everywhere in 2026 when most of them have been around for 20 or 30 years — what do certified weight loss coaches recommend specifically for women over 40? Bad advice from doctor for long-term maintenance (not just short-term) and how it connects to gut health and inflammation? Do you know of any snacks that you can just chew on when you're bored on a low-carb or ketogenic diet 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 How good is it if I still drink (sugar free) soda for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … How it's going for me and how BMI has betrayed the tall girlies: what to track and how to measure progress while doing intermittent fasting? When you want something sweet but still try to keep things somewhat low-carb for long-term maintenance (not just short-term) if you're on a GLP-1 like semaglutide or tirzepatide? Been going out with this girl and I think it’s destroyed my microbiome for people with insulin resistance when you have PCOS or hormonal imbalances? I’m looking into possibly going grain free and I was wondering if it was just as healthy as doing keto or paleo — what most people get wrong about this and how it connects to gut health and inflammation? 📖 Hidden Hunger — A state where the body is overfed but undernourished, leading to constant cravings because the brain isn't receiving the… Did anyone lose weight because of a medical condition — what do certified weight loss coaches recommend: best practices and common mistakes to avoid? Does anyone else remember the darkest time of our Generation — evidence-based answer for CFP patients while doing intermittent fasting?