Expert Q&A

Going for my first 36 hours. Any tips during the weight loss plateau phase

Preparing for Your First 36-Hour Fast

I've guided thousands of beginners through their initial extended fasts. A 36-hour fast means consuming only water, black coffee, or unsweetened tea from dinner one day until breakfast two days later. For those in their mid-40s to mid-50s dealing with hormonal changes, this window allows your body to fully deplete glycogen stores and shift into fat-burning mode, typically burning 0.5-1 pound of fat after the first 24 hours.

Start hydrated. Drink 3-4 liters of water with a pinch of sea salt to maintain electrolytes. This prevents the headaches and fatigue that often derail new fasters. If you're managing diabetes or blood pressure, monitor levels closely—many see improvements in fasting glucose within the first few cycles.

Navigating Hunger and Energy Dips

Hunger peaks around hour 18-24 due to ghrelin spikes. Sip bone broth if needed (under 50 calories) or use my CFP method of adding apple cider vinegar to water. This stabilizes blood sugar without breaking the fast. For joint pain that makes movement tough, gentle walking for 10-15 minutes after the 24-hour mark boosts circulation and accelerates ketone production without stressing your body.

Avoid the common mistake of over-restricting post-fast. Break your fast gently with bone broth, then a small meal of healthy fats and protein like avocado and eggs. This prevents insulin spikes that sabotage results.

Breaking Through the Weight Loss Plateau Phase

The weight loss plateau often hits between weeks 3-6 as your metabolism adapts. During your 36-hour fast, focus on metabolic flexibility. Incorporate my recommended fasting-mimicking techniques from "The Plateau Proof Plan": add 12-16 oz of cold water with lemon every 4 hours to support autophagy, the cellular cleanup process that improves insulin sensitivity.

Track non-scale victories: reduced joint inflammation, better blood pressure readings (often dropping 10-15 points systolic), and steady energy. If the scale stalls, vary your fasting windows—alternate 36-hour with 18:6 daily eating. This prevents adaptive thermogenesis where calories burned at rest drop by up to 15%.

For hormonal imbalances common in this age group, ensure 7-9 hours of sleep. Poor sleep raises cortisol, which directly contributes to belly fat retention during plateaus.

Long-Term Success and Safety Tips

Build consistency rather than perfection. Most beginners in our program lose 8-12 pounds in the first month by combining two 36-hour fasts weekly with nutrient-dense meals. If insurance won't cover programs, this approach costs virtually nothing beyond basic groceries.

Listen to your body. Stop if you feel dizzy or experience rapid heart rate. Consult your physician, especially with existing diabetes management. Over time, these fasts reduce inflammation markers by 20-30%, making exercise feel less impossible and helping you finally move past diets that failed before.

💬 What the Community Says

The community shows cautious optimism about first-time 36-hour fasts, with many in the 45-55 age range sharing stories of initial success followed by frustrating plateaus around week four. Most practitioners report that adding electrolytes and light walks helped push through hunger waves, though a vocal minority struggles with joint pain flares and blood sugar swings, especially those managing diabetes. Beginners frequently debate the merits of strict water-only versus allowing bone broth or ACV, with lived experiences highlighting that breaking fasts too aggressively often leads to regain. Insurance barriers and conflicting online advice leave many feeling overwhelmed, yet shared non-scale wins like lower blood pressure readings keep the group motivated. Overall sentiment leans toward "it gets easier after the third attempt," though some express embarrassment about slow progress compared to others.
Clark, R. (2026). Going for my first 36 hours. Any tips during the weight loss plateau phase. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/going-for-my-first-36-hours-any-tips-during-the-weight-loss-plateau-phase
Russell Clark, 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.

Have a follow-up question?
More Questions 200 answered
How are we getting enough protein? Tips please specifically for women over 40 How many of you with PCOS had a narcissistic parent growing up: what to track and how to measure progress Rage - too much progesterone or too little eostrogen when you have PCOS or hormonal imbalances 📖 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… Anyone skip a week when sick — what does the research actually say? Do you avoid socialising or seeing family because of how tired you are and how much effort it is to be in company: how to talk to your doctor about this Why has no doctor explained this to me: best practices and common mistakes to avoid Smoking while on glp1 Has Gundry ever explained why he thinks APOE4 carriers love cheese so much specifically for women over 40 Anyone worried about the FDA crackdown on a low-carb or ketogenic diet 📖 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 … 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Did my hashimoto cause this — evidence-based answer for CFP patients When people ask how I can tell my sugar's low during the weight loss plateau phase Fruit Salsa - First Week/Phase One Approved on a low-carb or ketogenic diet Anyone in Maintenance w/ 15mg on a low-carb or ketogenic diet What type of exercise works best for you ? Only symptom high DHEA? 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… Anyone worried about the FDA crackdown — what most people get wrong about this App that can predict symptoms before they get bad: best practices and common mistakes to avoid Would anyone like to share their personal experiences navigating menopause when you have a mood disorder like bipolar disorder and its effect on metabolism and insulin levels Why has no doctor explained this to me: what to track and how to measure progress 📖 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… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Hit 25lbs down, how do I make this sustainable in the long term? Opened monjuaro pen is it safe to use — evidence-based answer for CFP patients Cheat / treat days or meals — what most people get wrong about this How it looks when you lose 170 lbs. but are still a fat man during the weight loss plateau phase Why is almost all the focus in treating PCOS on fertility and how it connects to gut health and inflammation Homemade bacon - are curing salts required — what does the research actually say? Best recipe book 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… Has anyone switched from brand name Premarin to the new recently released generic conjugated estrogens and feels like it is not working as well for long-term maintenance (not just short-term) 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Was so tempted to hit the drive thru today. Went to the store instead — evidence-based answer for CFP patients Does anyone else feel like they are living life at 50% — what most people get wrong about this How to BOOST metabolism and BURN fat-- VERY EASY AND QUICK: best practices and common mistakes to avoid Is estriol as effective as estradiol for clitoral atrophy and how it connects to gut health and inflammation Does anyone else love masks mandated so I can hide my facial hair — what does the research actually say? 📖 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… Here's the things I wish I'd known back then... what are yours for long-term maintenance (not just short-term) Anyone use an auto injector for the compounded med and how it connects to gut health and inflammation Had my hashi’s annihilated thyroid removed today — evidence-based answer for CFP patients 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Guys, did you know the POWER of exercise for your body if you're on a GLP-1 like semaglutide or tirzepatide What is this new frozen hell: best practices and common mistakes to avoid Calcium oxalate a problem if microdosing San Pedro powder? What the hell is wrong with this sub and how it connects to gut health and inflammation 📖 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… Anyone stretching out to 3 weeks between shots when you have PCOS or hormonal imbalances Have to stop for 3 weeks for surgery and how it connects to gut health and inflammation When period stopped did you feel like the worst pmdd of all time daily or specifically for women over 40 Do I need a dose change on a low-carb or ketogenic diet 📖 Insulin Resistance — A condition where your cells stop responding to insulin, locking fat in storage; our protocol is designed to unlock thes… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Can anyone recommend a good, reliable source for Mounjaro injections which costs less than 200 bucks for four injections please on a low-carb or ketogenic diet Anyone with a variant of uncertain significance on HRT for long-term maintenance (not just short-term) Rage - too much progesterone or too little eostrogen: what to track and how to measure progress Can I use peptides as a slip to micro needle? Do you avoid socialising or seeing family because of how tired you are and how much effort it is to be in company for long-term maintenance (not just short-term) How I finally stopped crashing after workouts — the training structure that actually works with Hashimoto's: best practices and common mistakes to avoid 📖 One Box Protocol — A revolutionary approach where we stretch one 60 mg box of tirzepatide across three metabolic phases, prioritizing long-… Estradiol Cypionate- I’ve been underdosing- what dose are you at when you have PCOS or hormonal imbalances