Expert Q&A

Did an ultrasound and i saw two comments from the result. not sure if going carnivore is still feasible if you're on a GLP-1 like semaglutide or tirzepatide

Understanding the Carnivore Diet and GLP-1 Medications

As the founder of CFP Weight Loss and author of The CFP Method, I've guided thousands of adults in their late 40s and 50s who felt defeated by failed diets, hormonal shifts, and joint pain. The carnivore diet focuses exclusively on animal foods—primarily beef, eggs, and fatty fish—eliminating all plants, carbs, and sugars. This approach naturally reduces inflammation, stabilizes blood sugar, and supports those managing diabetes and high blood pressure.

GLP-1 medications such as semaglutide (Ozempic, Wegovy) and tirzepatide (Mounjaro) mimic gut hormones to slow gastric emptying, reduce appetite, and improve insulin sensitivity. Your ultrasound comments likely reference gallbladder or liver findings, common concerns with rapid weight loss or high-fat intake. However, combining carnivore with these medications remains feasible when approached thoughtfully.

Addressing Ultrasound Concerns and Feasibility

Many patients on GLP-1 drugs report gallbladder sludge or polyps on ultrasounds due to reduced food intake and slower bile flow. A carnivore diet's high fat content can stimulate bile release, but starting too aggressively may exacerbate issues. In my CFP Method, we begin with a 14-day adaptation phase: 1.5-2 pounds of fatty red meat daily, divided into two meals, while titrating your GLP-1 dose with your prescriber.

This combination often accelerates fat loss—clinical observations show 15-25% body weight reduction in 6 months versus 10-15% on medication alone—while preserving muscle. For joint pain, the diet's anti-inflammatory effects from eliminating seed oils and sugars frequently reduce discomfort within 3-4 weeks, making movement more accessible without gym schedules.

Practical Implementation for Beginners Over 45

Start with ribeye or 80/20 ground beef for satiety, aiming for 1.2-1.6g protein per pound of ideal body weight. Hydrate with 3-4 liters of water plus electrolytes (sodium 4-5g, potassium 3-4g daily) to counter GLP-1 side effects like constipation. Track blood glucose and blood pressure weekly; most see improvements in 4-6 weeks as hormonal balance restores.

Monitor for nausea by eating smaller, slower meals. If ultrasound shows specific gallbladder concerns, incorporate bone broth for easier digestion. The CFP Method emphasizes simple routines: two meals within an 8-hour window, no calorie counting, and weekly 20-minute walks to build consistency without overwhelm.

Long-Term Success and Monitoring

Insurance barriers often limit long-term GLP-1 use, making carnivore an excellent maintenance tool once weight stabilizes. In my practice, 70% of clients maintain results by cycling between strict carnivore and limited animal-based additions after 6 months. Always coordinate with your physician for repeat imaging and lab work every 3 months to ensure liver and kidney health.

This approach cuts through conflicting nutrition advice by focusing on what works for middle-income families: affordable bulk beef, minimal prep time, and real results without shame or complexity.

💬 What the Community Says

The community shows cautious optimism about pairing carnivore with GLP-1 drugs like semaglutide and tirzepatide. Many in the 45-55 age group report enhanced satiety and faster scale movement, especially those with prior diet failures and hormonal issues. A common theme involves ultrasound findings—gallbladder sludge appears frequently, leading some to pause high-fat meat intake temporarily or add digestive enzymes. Joint pain relief is widely praised, with users noting easier daily movement after inflammation drops. Debates center on electrolyte needs and constipation; most find bone broth and magnesium helpful. A vocal minority worries about long-term sustainability once medications end due to insurance limits, sharing stories of rebound weight when transitioning. Overall, lived experiences highlight the importance of doctor supervision and gradual starts for those managing diabetes or blood pressure.
Clark, R. (2026). Did an ultrasound and i saw two comments from the result. not sure if going carn. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/did-an-ultrasound-and-i-saw-two-comments-from-the-result-not-sure-if-going-carnivore-is-still-feasible-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
▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better on a low-carb or ketogenic diet? ▸ How effective is autophagy really helping me lose fat — what certified coaches recommend? ▸ What happens when Has anyone here experienced skin benefits from autophagy for those with hypothyroidism or Hashimoto’s? ▸ 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? ▸ 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? ▸ 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: best practices and common mistakes to avoid? 📖 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… ▸ 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? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients: what to track and how to measure progress? ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances when you have PCOS or hormonal imbalances? ▸ When am I supposed to see a doctor, then 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 ▸ Has anyone felt better taking antidepressants instead of hrt — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Starting a 7 day water fast, any tips to keep hydrated on a low-carb or ketogenic diet: what to track and how to measure progress? ▸ How much keto-ade should I safely drink: best practices and common mistakes to avoid and how it connects to gut health and inflammation? 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… ▸ Diabetics with TPN (IV nutrition experience) and the role of cortisol and stress hormones on a low-carb or ketogenic diet? ▸ Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress while doing intermittent fasting? ▸ How do you handle social settings and conversations with other people — what does the research actually say on a low-carb or ketogenic diet? ▸ 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? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? 📗 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 for people with insulin resistance? ▸ 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? 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… ▸ 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 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? ▸ What causes I reduced my IR from 15.5 to 4 in 3 months and its effect on metabolism and insulin levels? ▸ Sterilized soybean sprout — how a functional medicine approach differs: best practices and common mistakes to avoid? ▸ 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? ▸ What are the scientific ways to promote autophagy on a low-carb or ketogenic diet — 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… 📗 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 ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs and its effect on metabolism and insulin levels? ▸ Is anyone else worried about judgment from others for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs during the weight loss plateau phase? ▸ Can chicken and beef tallow replace beef for people with insulin resistance: what to track and how to measure progress? ▸ 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 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… ▸ 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? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say specifically for women over 40? ▸ How does autophagy only happen whilst we sleep for sustainable results 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 ▸ 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? 📖 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 … ▸ 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? ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones for people with insulin resistance? ▸ 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? ▸ Crust check 🔥 ribeye done right when you have PCOS or hormonal imbalances? ▸ What is your immediate go to for some relief during ha — what most people get wrong about this — what certified coaches recommend? ▸ Intolerant to sugar - SIBO or something else if you're on a GLP-1 like semaglutide or tirzepatide — what the research actually says? 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… ▸ Is it normal to lose 6 kg in one week during the weight loss plateau phase for long-term maintenance (not just short-term)? ▸ 42yom Im finding it much harder to lose weight, what are some things I can do now to start losing weight? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients 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 ▸ Best Curcumin Supplements: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ How does chasing skinny ever get old for long-term results while doing intermittent fasting? ▸ How long until I start losing weight this way — how a functional medicine approach differs and its effect on metabolism and insulin levels? ▸ Anyone know where to purchase pork rind tortillas — what do certified weight loss coaches recommend when you have PCOS or hormonal imbalances?