Expert Q&A

Worried about the amount of fat in LCHF during the weight loss plateau phase

Understanding the Role of Fat on LCHF During a Plateau

I've guided thousands through the exact frustration you're feeling. When following a low-carb high-fat approach, dietary fat becomes your primary fuel source once glycogen stores deplete. During a weight loss plateau, consuming 70-80% of calories from fat can stall progress because excess calories—even from healthy fats—signal your body to hold onto stores, especially amid the hormonal changes common in your 40s and 50s.

Research shows that after initial rapid loss (often 10-15 pounds of water weight in week one), true fat loss slows to 1-2 pounds weekly. Plateaus frequently hit around weeks 4-8 when insulin sensitivity improves but cortisol rises from dietary stress or undiagnosed sleep issues. The key isn't eliminating fat but recalibrating intake to create a moderate deficit of 500 calories daily without triggering metabolic slowdown.

Practical Adjustments to Fat Consumption

Start by tracking accurately for 7 days using an app—most beginners underestimate portions by 30%. Aim for 100-130 grams of fat daily instead of 150+ during plateaus, prioritizing sources like avocados, olive oil, and fatty fish over butter or bacon. This adjustment often restarts loss within 10-14 days. Pair it with my CFP Method of cycling: 3 days at moderate fat followed by one higher-fat refeed to support thyroid function and leptin levels, which drop 20-30% during prolonged deficits.

Joint pain making movement tough? Focus on low-impact activities like 20-minute walks after meals to improve insulin response without stressing joints. This burns an extra 150-200 calories daily and reduces inflammation linked to stubborn belly fat.

Addressing Hormonal and Lifestyle Factors

Hormonal changes in perimenopause or with diabetes management amplify plateaus. Elevated estrogen promotes fat storage while declining progesterone disrupts sleep, raising hunger hormones by up to 25%. In my practice, balancing electrolytes (4-5g sodium, 1g potassium daily) prevents the fatigue that leads to hidden snacking. For blood pressure and diabetes, monitor how 20-50g net carbs from vegetables affect your readings—many see A1C drops of 1.5 points within 90 days.

Avoid the overwhelm of conflicting advice by sticking to three simple meals: protein first (25-35g per meal), then non-starchy vegetables, and measured fats. This structure fits busy schedules and prevents the embarrassment of complicated plans. Insurance rarely covers these programs, but the CFP Weight Loss approach uses affordable real foods that deliver results without expensive supplements.

Breaking Through and Building Long-Term Success

When plateaus persist beyond two weeks, implement a 5-day fat fast (70% fat, under 1,000 calories) followed by reintroduction at adjusted levels—I've seen this reset metabolism in 70% of clients. Measure ketones (0.5-3.0 mmol/L optimal) and waist circumference weekly rather than scale weight, as muscle preservation during LCHF can mask fat loss on the scale. Consistency beats perfection; most regain confidence within 4 weeks of these tweaks. Your past diet failures don't define this journey—targeted fat management on LCHF offers sustainable change when personalized correctly.

💬 What the Community Says

The community shows mixed but hopeful experiences with fat intake on LCHF during weight loss plateaus. Many in their late 40s and early 50s report hitting walls around month two after losing 15-25 pounds initially, often blaming hidden calories in coffee creamer or nuts. A common theme is frustration with joint pain limiting exercise, leading people to experiment with lowering fat to 100g daily and adding walks, which restarts the scale for some. Others debate hormonal impacts, sharing stories of thyroid checks or electrolyte tweaks helping more than fat cuts alone. Beginners frequently feel overwhelmed by macro tracking but appreciate simple advice like measuring oils. A vocal minority warns against extreme fat fasting due to past rebound gains, while most practitioners celebrate non-scale victories like better blood sugar and less inflammation. Insurance barriers and distrust from previous diet failures surface often, yet many encourage patience, noting plateaus typically break within 3-4 weeks with consistent adjustments. Lived experiences highlight measuring ketones and waist size over daily weighing as more motivating.
Clark, R. (2026). Worried about the amount of fat in LCHF during the weight loss plateau phase. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/worried-about-the-amount-of-fat-in-lchf-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
▸ 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 causes I reduced my IR from 15.5 to 4 in 3 months and its effect on metabolism and insulin levels? ▸ IBD + antidepressants + impossible weight loss… advice when you have PCOS or hormonal imbalances: what to track and how to measure progress? ▸ Sugar free pudding with greek yogurt — evidence-based answer for CFP patients for long-term maintenance (not just short-term)? ▸ 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. ▸ Does mental health predict diabetes as much as BMI? Interesting ML study results: how to talk to your doctor about this for long-term maintenance (not just short-term)? 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… ▸ Do you think they read the responses they receive: how to talk to your doctor about this while doing intermittent fasting? ▸ 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? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? 📖 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 — 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 effective is autophagy really helping me lose fat — what certified coaches recommend? ▸ Can chicken and beef tallow replace beef — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? ▸ Will eating meintenance calories make me lose weight for those with hypothyroidism or Hashimoto's when you have PCOS or hormonal imbalances? ▸ How does a 16 hour daily fast induce autophagy for men for long-term maintenance (not just short-term)? 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. ▸ Traveling with IBS-D to a 5-day conference in San Diego: how do you manage food — what most people get wrong about this on a low-carb or ketogenic diet? ▸ Anyone remember the metal lid you had to use a butter knife to pop off: what to track and how to measure progress while doing intermittent fasting? ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide for those with hypothyroidism or Hashimoto’s? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet for long-term maintenance (not just short-term)? ▸ Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress 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 ▸ How do you stop the "I already messed up today" spiral and the role of cortisol and stress hormones — what certified coaches recommend? 📖 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… ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ 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? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs specifically for women over 40? ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? ▸ 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? 📖 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 … ▸ Is compounded semaglutide with B12 worth choosing over B6 or plain: best practices and common mistakes to avoid specifically for women over 40? ▸ Is it normal to lose weight then gain again when you have PCOS or hormonal imbalances 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 ▸ Is anyone else worried about judgment from others for those with hypothyroidism or Hashimoto's if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … ▸ The cost of meat is soaring, especially beef. What are y’all doing to stay on budget on a low-carb or ketogenic diet? ▸ How does chasing skinny ever get old for long-term results while doing intermittent fasting? ▸ What is your immediate go to for some relief during ha — what most people get wrong about this — what certified coaches recommend? ▸ 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? ▸ Should I be worried yet, been sitting for 5 days no movement while doing intermittent fasting 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 while doing intermittent fasting? ▸ 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? 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients 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 ▸ What are the wegovy doses in order on a low-carb or ketogenic diet — what certified coaches recommend? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's: what to track and how to measure progress? ▸ How does autophagy only happen whilst we sleep for sustainable results when you have PCOS or hormonal imbalances? ▸ 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? ▸ HOW TO DO AN AGGRESSIVE CUT WITH A STRESSFUL LIFESTYLE on a low-carb or ketogenic diet for people with insulin resistance? ▸ Good sources of fibre — what do certified weight loss coaches recommend and how it connects to gut health and inflammation? 📖 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… ▸ 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? ▸ Is it normal to lose 6 kg in one week during the weight loss plateau phase for long-term maintenance (not just short-term)? ▸ 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? 📗 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 many were first diagnosed with OCD for long-term maintenance (not just short-term) if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… ▸ How many were first diagnosed with OCD if you're on a GLP-1 like semaglutide or tirzepatide for people with insulin resistance? ▸ 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? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting 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… ▸ 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?