Expert Q&A

Has anyone with loose skin tried water fasting for long periods of time? and hie did it effect the loose skin for people with insulin resistance for people with insulin resistance?

Understanding Loose Skin in Insulin Resistance

When carrying excess weight for years, especially with insulin resistance, skin loses elasticity due to chronic inflammation, collagen breakdown, and hormonal disruption. Many in their 40s and 50s who have tried every diet worry that rapid loss will worsen sagging around the abdomen, arms, and thighs. In my 35 years of clinical practice and through the 30-Week Tirzepatide Reset, I've seen that the key isn't extreme measures like prolonged water fasting but strategic metabolic reset that rebuilds from the inside out.

Water Fasting's Impact on Loose Skin and Insulin Resistance

Extended water fasting—typically 5-21 days consuming only water—can improve insulin sensitivity by lowering blood glucose and reducing visceral fat. Some patients report modest tightening because autophagy ramps up, clearing damaged cells. However, for those with long-term insulin resistance, the downsides often outweigh benefits. Rapid muscle loss during fasting reduces the underlying structure that supports skin, making loose skin appear more pronounced. Electrolyte imbalances can worsen joint pain, already a barrier for beginners avoiding exercise. In our protocol, we avoid long water fasts because they stress the adrenals and hypothalamus, potentially rebounding hunger signals once refeeding begins. Instead, we use chaotic intermittent fasting in maintenance phases after initial fat loss.

The 30-Week Tirzepatide Reset Approach to Skin and Metabolic Health

Our method cycles low-dose tirzepatide over three 70-day cycles while following a precise lectin-free low-carb diet with 221 recipes. This combination reduces inflammation from grains and toxins that exacerbate loose skin. Patients incorporate Japanese-style walking intervals—gentle 10-15 minute sessions that improve circulation without joint stress—and red light therapy via our Unlimited Red Bed Club to stimulate collagen production. Detox Drops support liver function, aiding hormone balance often disrupted in midlife. One patient, similar to John in my book, lost 40 pounds, normalized his A1C from 7.8 to 5.9, and noticed firmer skin tone by week 18 through consistent protein intake (1.2g per pound of ideal body weight) and daily habits rather than fasting extremes. The 69 Transformation Steps provide a clear roadmap, preventing the two biggest mistakes: medication dependency alone and ignoring non-scale victories like better energy and clothing fit.

Practical Steps for Beginners Managing Diabetes and Blood Pressure

Start with medical supervision if you have insulin resistance or take blood pressure meds. Begin with 16:8 time-restricted eating using real foods from the protocol instead of multi-day water fasts. Track body composition weekly, not just scale weight. Supplement targeted nutrients like collagen peptides and vitamin C to support skin remodeling. Most patients in our Nashville clinic and telehealth program see 30-90 pound losses without worsening loose skin by addressing root causes—toxin burden, lectin inflammation, and broken hunger signals. This creates metabolic freedom so your body maintains results naturally long after cycling tirzepatide. The shift from quick fixes to sustainable habits is what truly transforms lives, as detailed in The 30-Week Tirzepatide Reset.

💬 What the Community Says

Forum users with insulin resistance and loose skin share mixed experiences with extended water fasting. Many report initial improvements in insulin sensitivity and some skin tightening after 7-10 day fasts, but a vocal group notes increased sagging once weight stabilizes due to muscle loss. Beginners often feel overwhelmed by conflicting advice, with joint pain making post-fast refeeding tricky. Several mention trying it alongside GLP-1 meds but regret the rebound hunger. Those following structured lectin-free plans or tirzepatide cycling protocols tend to report better skin outcomes and fewer frustrations. Insurance barriers lead many to experiment solo, sparking debates on whether fasting helps or harms long-term elasticity. Overall, the community values real-life stories showing sustainable maintenance over dramatic short-term results.
Clark, R. (2026). Has anyone with loose skin tried water fasting for long periods of time? and hie. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/has-anyone-with-loose-skin-tried-water-fasting-for-long-periods-of-time-and-hie-did-it-effect-the-loose-skin-for-people-with-insulin-resistance-for-people-with-insulin-resistance
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
▸ 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 those with hypothyroidism or Hashimoto’s? ▸ 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? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? ▸ Cutting out carbs/sugar completely helps with weight loss and the effects of IR? Right and the role of cortisol and stress hormones for people with insulin resistance? 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… ▸ 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? ▸ Is anyone else worried about judgment from others for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ Is Emma Relief good for gut issues and the role of cortisol and stress hormones during the weight loss plateau phase? ▸ Does okra water actually help gut issues: what to track and how to measure progress — what certified coaches recommend? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances while doing intermittent fasting? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's: 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 ▸ Crust check 🔥 ribeye done right for long-term maintenance (not just short-term)? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… ▸ What are the wegovy doses in order on a low-carb or ketogenic diet — what certified coaches recommend? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say on a low-carb or ketogenic diet? ▸ 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? ▸ 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? ▸ Should I be worried yet, been sitting for 5 days no movement while doing intermittent fasting: best practices and common mistakes to avoid? ▸ 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? ▸ How do you handle social settings and conversations with other people — what does the research actually say on a low-carb or ketogenic diet? 📖 Metabolic Efficiency — The state where your body processes fuel cleanly and maintains high energy levels without the need for constant snacking… 📗 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 ▸ 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? ▸ 225lbs 5’10, is it possible for me to lose weight starting at 2200 calories a day when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ Are people who get no effect just using bad product for people with insulin resistance when you have PCOS or hormonal imbalances? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… ▸ Sugar free 2020, who's with me — what most people get wrong about this: what to track and how to measure progress? ▸ I am on my second week of mounjaro (2.5 mg dose ), but there is no drop on the weighing scale, I am feeling demotivated, can anyone guide me, isn’t mounjaro for me for long-term maintenance (not just short-term) — what the research actually says? ▸ Got diagnosed today, where do i go from here — what do certified weight loss coaches recommend: best practices and common mistakes to avoid? ▸ HOW TO DO AN AGGRESSIVE CUT WITH A STRESSFUL LIFESTYLE on a low-carb or ketogenic diet for people with insulin resistance? ▸ Is it normal to lose 6 kg in one week during the weight loss plateau phase for long-term maintenance (not just short-term)? 📗 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? 📖 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… ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say specifically for women over 40? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) specifically for women over 40? ▸ 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 is a super quick "Mix some of this in" to make coconut oil (purely in liquid form) taste ok to make it easy to consume: how to talk to your doctor about this during the weight loss plateau phase? ▸ Tips for maintenance: what’s yours for long-term maintenance (not just short-term): best practices and common mistakes to avoid? 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… ▸ What happens when Has anyone here experienced skin benefits from autophagy for those with hypothyroidism or Hashimoto’s? ▸ 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? 📗 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 ▸ Got diagnosed today, where do i go from here — what do certified weight loss coaches recommend — what certified coaches recommend? ▸ 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? ▸ Im eating so well that I accidently put my body in ketosis and how it connects to gut health and inflammation: best practices and common mistakes to avoid? ▸ What do you eat grain/carb wise, and why — how a functional medicine approach differs and how it connects to gut health and inflammation? ▸ 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? 📖 Bio-Individuality — The understanding that every patient’s metabolic journey is unique, requiring a personalized approach to dosing and diet… ▸ 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? ▸ Beef/Beef organs protein powder: what to track and how to measure progress if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Why cant i lose weight and am gaining weight when you have PCOS or hormonal imbalances 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? 📖 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… 📗 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? ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? ▸ Did L. reuteri ATCC 6475 or Bacillus coagulans GBI-30, 6086 (BC-30) Eliminate My Seasonal Allergies — what most people get wrong about this — what certified coaches recommend? 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… ▸ 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? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better on a low-carb or ketogenic diet? ▸ 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?