Expert Q&A

So everyone will be on Reta soon if you're on a GLP-1 like semaglutide or tirzepatide

The Evolution of GLP-1 Medications for Weight Loss

As a leader at CFP Weight Loss, I've watched the rapid advancement in GLP-1 therapies with great interest. The question of whether everyone on semaglutide or tirzepatide will soon switch to retatrutide is common among our 45-54 year old clients struggling with hormonal changes and previous diet failures. While retatrutide shows remarkable promise, it's not a universal replacement yet.

Semaglutide, the active ingredient in Ozempic and Wegovy, primarily targets the GLP-1 receptor to reduce appetite and improve blood sugar control. Tirzepatide (Mounjaro, Zepbound) adds GIP receptor activation for enhanced results. Retatrutide takes this further as a triple agonist, also engaging the glucagon receptor. Early trials show average weight loss of 24% at 48 weeks versus 15-20% with tirzepatide. This triple action may better address the metabolic slowdown many experience in midlife.

Key Differences and Who Might Benefit Most

Retatrutide's glucagon component increases energy expenditure, which could be game-changing for those with joint pain who find exercise difficult. In our experience helping clients manage diabetes and blood pressure alongside weight, this added mechanism often leads to greater improvements in lipid profiles and liver fat reduction. However, side effects like nausea appear more intense initially, which concerns our clients already overwhelmed by conflicting nutrition advice.

Not everyone needs to switch. Those achieving stable results on tirzepatide with minimal side effects may stay put, especially given insurance barriers that already make these programs hard to access. Retatrutide is still in Phase 3 trials and likely 1-2 years from widespread availability. For beginners embarrassed about their obesity, starting with proven options like compounded semaglutide under medical supervision often builds the confidence needed before considering newer agents.

Practical Considerations from Our CFP Weight Loss Approach

In my book, we emphasize sustainable lifestyle integration over medication alone. Retatrutide won't eliminate the need for protein-focused nutrition and gentle movement that respects joint limitations. Many clients see better long-term success combining these medications with our simplified meal frameworks that require minimal time—perfect for busy middle-income families.

Before jumping to the "next best thing," get comprehensive lab work to understand your specific hormonal profile. Women in perimenopause often need tailored dosing adjustments. Insurance rarely covers these innovative treatments, so factor in monthly costs of $1,000+ until generics emerge.

Making Informed Decisions for Lasting Results

The excitement around retatrutide is justified, but "everyone" switching oversimplifies individual needs. Success comes from matching the right tool to your biology, history of failed diets, and realistic schedule. Our clients who focus on root causes rather than chasing the newest drug report the most sustainable 15-25% body weight reductions while improving energy and reducing medication dependence for blood pressure and diabetes.

Consult your provider about clinical trial opportunities for retatrutide if current therapies plateau. The future looks bright, but patience and personalized guidance remain essential for overcoming the unique challenges of midlife weight management.

💬 What the Community Says

The weight loss community on forums like Reddit's r/Semaglutide and r/Mounjaro shows mixed feelings about retatrutide. Many express excitement over the 24% average weight loss reported in trials, particularly those stalled on tirzepatide after 12-18 months. Users managing diabetes alongside obesity hope the triple agonist will better control blood sugar without the plateau effect. However, there's notable caution about intensified side effects, with several reporting worse nausea in early user anecdotes from trials. A vocal group of 45+ members worries about insurance coverage, noting current GLP-1 meds already strain middle-income budgets at $900-1300 monthly. Beginners often feel overwhelmed, with threads debating whether to wait for FDA approval or optimize existing prescriptions first. Long-term users emphasize that medication alone rarely sustains results without lifestyle changes, and many share success stories of combining lower doses with simple walking routines despite joint pain. Overall sentiment leans optimistic yet pragmatic, with most agreeing individual response varies too much to declare that "everyone will switch."
Clark, R. (2026). So everyone will be on Reta soon if you're on a GLP-1 like semaglutide or tirzep. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/so-everyone-will-be-on-reta-soon-if-you-re-on-a-glp-1-like-semaglutide-or-tirzepatide
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
▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say for those with hypothyroidism or Hashimoto’s? ▸ Anyone know where to purchase pork rind tortillas — what do certified weight loss coaches recommend when you have PCOS or hormonal imbalances? ▸ What happens when Has anyone here experienced skin benefits from autophagy for those with hypothyroidism or Hashimoto’s? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ 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? 📖 Metabolic Efficiency — The state where your body processes fuel cleanly and maintains high energy levels without the need for constant snacking… ▸ 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? ▸ How effective is autophagy really helping me lose fat — what certified coaches recommend? 📗 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 ▸ 56M arm day was fun. But arms shrinking from 16 inches to 15 1/2. Gotta up protein? Reps — what most people get wrong about this when you have PCOS or hormonal imbalances? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… ▸ Is tomato paste lectin free during the weight loss plateau phase while doing intermittent fasting? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ I have an iodine deficiency. Won't supplementing cause me to have a flare on a low-carb or ketogenic diet? ▸ HOW TO DO AN AGGRESSIVE CUT WITH A STRESSFUL LIFESTYLE on a low-carb or ketogenic diet for people with insulin resistance? ▸ 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? ▸ 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? 📖 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… ▸ 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 foods to stock for overnight guest — evidence-based answer for CFP patients: 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 ▸ 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? ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide for those with hypothyroidism or Hashimoto’s? 📖 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… ▸ Making me super tired and in a dreamy, chill, ready for a nap state for most of the day and its effect on metabolism and insulin levels for long-term maintenance (not just short-term)? ▸ 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? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for those with hypothyroidism or Hashimoto’s? ▸ Weight loss without GLP-1 — what does the research actually say while doing intermittent fasting? 📖 Refined Carbohydrates — Processed sugars and flours that strip the body of nutrients while driving the hormonal chaos responsible for the modern… ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation 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 ▸ 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? ▸ Sugar free 2020, who's with me — what most people get wrong about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Can chicken and beef tallow replace beef — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? ▸ 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? ▸ 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? ▸ What is the Russell Clark One Box Protocol and how do terms like Smart Cycling and Hormonal Chaos define his 30-Week Tirzepatide Reset specifically for women over 40? 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… ▸ 42yom Im finding it much harder to lose weight, what are some things I can do now to start losing weight? ▸ 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? ▸ 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? 📗 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 Emma Relief good for gut issues and the role of cortisol and stress hormones during the weight loss plateau phase? 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… ▸ How to calm my nerves down at doctors — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? ▸ 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: what to track and how to measure progress? ▸ 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? 📖 Satiety Signal — The biological 'off switch' for hunger that our protocol restores by healing the gut and balancing blood sugar levels. ▸ Why aren’t obesity medical breakthroughs a bigger deal and its effect on metabolism and insulin levels while doing intermittent fasting? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? ▸ 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? ▸ 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? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress 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? 📗 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 you have hypothyroidism but you don't want to give up trying to live a normal life. 🥲 when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? 📖 One Box Protocol — A revolutionary approach where we stretch one 60 mg box of tirzepatide across three metabolic phases, prioritizing long-… ▸ Is it just me or is Hashimoto’s greatly underrepresented on a low-carb or ketogenic diet — what the research actually says? ▸ Crust check 🔥 ribeye done right when you have PCOS or hormonal imbalances? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better specifically for women over 40? ▸ 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? 📖 Hidden Hunger — A state where the body is overfed but undernourished, leading to constant cravings because the brain isn't receiving the… ▸ When do you know to go to the hospital specifically for women over 40?