Expert Q&A

What I learned in 70 days added-sugar-free for long-term maintenance (not just short-term)

My 70-Day Added-Sugar-Free Journey: The Foundation for Lasting Change

After years of failed diets and watching my scale climb despite every effort, I committed to 70 days added-sugar-free. This wasn't another restrictive plan—it became the cornerstone of my methodology in The Sugar Reset Code. By eliminating added sugars, I addressed the core issue behind hormonal weight gain that plagues so many in their late 40s and early 50s. Insulin spikes from hidden sugars were sabotaging my metabolism, making fat loss nearly impossible even with moderate exercise.

Within the first two weeks, my constant cravings disappeared. Blood sugar readings stabilized, dropping my average fasting glucose by 18 points. This matters enormously when managing diabetes and blood pressure alongside weight. The energy I gained replaced afternoon crashes, giving me natural motivation for gentle movement despite joint pain.

Key Lessons on Sustainable Habits Over Willpower

The biggest revelation was that long-term weight maintenance requires rewiring habits, not white-knuckling through short-term restrictions. I learned to read labels meticulously—those 12 grams of added sugar in "healthy" yogurt became obvious saboteurs. Instead, I focused on whole foods: eggs with vegetables for breakfast, salmon salads for lunch, and roasted chicken with broccoli for dinner. These choices fit middle-income budgets and required minimal prep time.

Joint pain that once made exercise feel impossible eased noticeably by week four. Reduced inflammation from cutting added sugars allowed me to incorporate 20-minute daily walks. This aligns perfectly with my approach of sustainable movement over punishing gym schedules. I tracked progress not just by scale but by how my clothes fit and how steady my energy remained.

Navigating Hormonal Changes and Overcoming Diet Fatigue

Hormonal shifts in perimenopause made previous diets fail spectacularly. The added-sugar-free period taught me that stabilizing blood sugar directly impacts cortisol and estrogen balance. My methodology emphasizes this connection—when insulin stays low, fat burning becomes more efficient even without calorie obsession.

I replaced sugary snacks with satisfying options like Greek yogurt with berries, handfuls of almonds, or apple slices with natural peanut butter. These prevented the blood sugar rollercoaster that previously led to evening binges. For those embarrassed about their weight or overwhelmed by conflicting advice, this simplicity removes decision fatigue. No complex meal plans needed—just consistent avoidance of the obvious and hidden sugars in processed foods.

Applying These Lessons for Lifelong Maintenance

After 70 days, I reintroduced small amounts of natural sugars mindfully, but the foundation remained. This prevented rebound weight gain that destroyed past efforts. Long-term maintenance became about 80% added-sugar awareness and 20% other factors. My blood pressure medication needs decreased, and joint discomfort continues to improve.

For beginners, start with a 14-day trial focusing on breakfast and snacks. Build from there. The confidence gained from seeing real results without feeling deprived makes this sustainable where other programs failed. My book details exact protocols, weekly check-in frameworks, and mindset shifts that turn this into lifelong maintenance rather than another short-term win.

Remember, progress compounds. Those first 70 days taught me that true freedom comes from understanding how sugar affects your unique hormonal profile, not following generic rules. This knowledge now guides every food choice, making weight maintenance feel natural rather than forced.

💬 What the Community Says

The community shows strong interest in extended added-sugar-free challenges, with many in the 45-55 age group sharing stories of initial success followed by maintenance struggles. Most practitioners report reduced joint pain and better blood sugar control within 30-60 days, but debate continues on complete elimination versus mindful reintroduction. A vocal minority finds label-reading overwhelming at first, especially while managing diabetes and medications, yet appreciates the lack of complicated recipes. Lived experiences frequently mention embarrassment lifting as energy improves and clothing fits better without expensive programs insurance won't cover. Common opinions highlight that 70+ day trials help break the "failed every diet" cycle better than 2-week detoxes, though some note social challenges at family events. Overall sentiment leans positive for those seeking sustainable approaches over quick fixes, with frequent mentions of walking becoming more doable as inflammation decreases.
Clark, R. (2026). What I learned in 70 days added-sugar-free for long-term maintenance (not just s. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/what-i-learned-in-70-days-added-sugar-free-for-long-term-maintenance-not-just-short-term
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
▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better on a low-carb or ketogenic diet? ▸ What is your immediate go to for some relief during ha — what most people get wrong about this — what certified coaches recommend? ▸ How do you stop the "I already messed up today" spiral and the role of cortisol and stress hormones — what certified coaches recommend? ▸ Beef/Beef organs protein powder: what to track and how to measure progress if you're on a GLP-1 like semaglutide or tirzepatide? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… ▸ When am I supposed to see a doctor, then and how it connects to gut health and inflammation specifically for women over 40? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances while doing intermittent fasting? ▸ Can chicken and beef tallow replace beef for people with insulin resistance: what to track and how to measure progress? 📖 Metabolic Efficiency — The state where your body processes fuel cleanly and maintains high energy levels without the need for constant snacking… ▸ What are the scientific ways to promote autophagy on a low-carb or ketogenic diet — what certified coaches recommend? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients — 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? 📗 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 ▸ 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? ▸ Are people who get no effect just using bad product for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ Crust check 🔥 ribeye done right — 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: what to track and how to measure progress? 📖 Anti-Inflammatory Protocol — A way of eating that prioritizes whole foods and eliminates triggers to quiet the internal 'fire' that prevents fat cell… ▸ 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? ▸ How I started this year vs. How I'm finishing it - 220lbs -> 135lbs 🩷 — what do certified weight loss coaches recommend on a low-carb or ketogenic diet? ▸ Good sources of fibre — what do certified weight loss coaches recommend and how it connects to gut health and inflammation? ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones on a low-carb or ketogenic diet? 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this — what the research actually says? 📗 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 anyone ever tried low-grain instead of grain free — evidence-based answer for CFP patients for long-term maintenance (not just short-term)? ▸ Does the fear of gaining ever go away for those with hypothyroidism or Hashimoto's and its effect on metabolism and insulin levels? 📖 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… ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 and its effect on metabolism and insulin levels? ▸ Who still goes to steeplechase — what do certified weight loss coaches recommend for long-term maintenance (not just short-term)? ▸ 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? 📖 Cellular Detox — The process of clearing out metabolic waste and reducing cellular stress to allow for more efficient energy production a… ▸ 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) and how it connects to gut health and inflammation? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say if you're on a GLP-1 like semaglutide or tirzepatide? ▸ How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time if you're on a GLP-1 like semaglutide or tirzepatide 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 ▸ 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? ▸ 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? ▸ 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? 📖 Autophagy — The body's natural 'housecleaning' process that occurs during fasting or low-insulin states, promoted during our mainten… ▸ Why aren’t obesity medical breakthroughs a bigger deal and its effect on metabolism and insulin levels while doing intermittent fasting? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this and its effect on metabolism and insulin levels? ▸ When the fatigue is real: how to talk to your doctor about this for people with insulin resistance? 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… ▸ 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 while doing intermittent fasting? ▸ 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? 📗 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 ▸ Does mental health predict diabetes as much as BMI? Interesting ML study results: how to talk to your doctor about this for those with hypothyroidism or Hashimoto’s? ▸ Is it okay for teenagers to do longterm lowcarb/keto — evidence-based answer for CFP patients for those with hypothyroidism or Hashimoto’s? ▸ What’s your favorite toothpaste for people with insulin resistance for long-term maintenance (not just short-term)? ▸ What causes I reduced my IR from 15.5 to 4 in 3 months and its effect on metabolism and insulin levels? 📖 Hidden Hunger — A state where the body is overfed but undernourished, leading to constant cravings because the brain isn't receiving the… ▸ Traveling with IBS-D to a 5-day conference in San Diego: how do you manage food — what most people get wrong about this during the weight loss plateau phase? ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation on a low-carb or ketogenic diet? ▸ What are some things you loved from your childhood that you (virtually) never see/experience anymore during the weight loss plateau phase on a low-carb or ketogenic diet? 📖 Rebound Weight Gain — The common 'yo-yo' effect caused by high-dose, continuous GLP-1 use; we prevent this through strategic cycling and metab… ▸ Weight loss without GLP-1 — what does the research actually say while doing intermittent fasting? ▸ When you want something sweet but still try to keep things somewhat low-carb and how it connects to gut health and inflammation on a low-carb or ketogenic diet? ▸ Do you guys eat 100% clean all the time — what does the research actually say for those with hypothyroidism or Hashimoto’s? 📖 Gut-Brain Axis — The complex communication network between your digestive system and your brain that controls satiety, mood, and metaboli… 📗 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 ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide 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? ▸ 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? 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) — what the research actually says? ▸ 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?